Home / 19,173,323.60-28,759,985.40-5,526,443.60

Finding the Fourth Proportional to 19,173,323.60, 28,759,985.40 and 5,526,443.60

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Solution

The fourth proportional to 19,173,323.60, 28,759,985.40 and 5,526,443.60 is: 8,289,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173,323.60 : 28,759,985.40 = 5,526,443.60 : x
  2. Step 2: Convert to fraction form
    19,173,323.60/28,759,985.40 = 5,526,443.60/x
  3. Step 3: Cross multiply
    19,173,323.60x = 28,759,985.40 × 5,526,443.60
  4. Step 4: Simplify right side
    19,173,323.60x = 158,940,437,249,923.41
  5. Step 5: Solve for x
    x = 158,940,437,249,923.41/19,173,323.60
  6. Step 6: Final answer
    x = 8,289,665.40

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Double scale
Find fourth proportional to 19,173,324.60, 28,759,986.90 and 5,526,444.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.