Home / 12,803,619.60-19,205,429.40-9,234,435.60

Finding the Fourth Proportional to 12,803,619.60, 19,205,429.40 and 9,234,435.60

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Solution

The fourth proportional to 12,803,619.60, 19,205,429.40 and 9,234,435.60 is: 13,851,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,803,619.60 : 19,205,429.40 = 9,234,435.60 : x
  2. Step 2: Convert to fraction form
    12,803,619.60/19,205,429.40 = 9,234,435.60/x
  3. Step 3: Cross multiply
    12,803,619.60x = 19,205,429.40 × 9,234,435.60
  4. Step 4: Simplify right side
    12,803,619.60x = 177,351,300,964,646.62
  5. Step 5: Solve for x
    x = 177,351,300,964,646.62/12,803,619.60
  6. Step 6: Final answer
    x = 13,851,653.40

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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.