Home / 19,116,913.60-28,675,370.40-15,337,777.60

Finding the Fourth Proportional to 19,116,913.60, 28,675,370.40 and 15,337,777.60

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Solution

The fourth proportional to 19,116,913.60, 28,675,370.40 and 15,337,777.60 is: 23,006,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116,913.60 : 28,675,370.40 = 15,337,777.60 : x
  2. Step 2: Convert to fraction form
    19,116,913.60/28,675,370.40 = 15,337,777.60/x
  3. Step 3: Cross multiply
    19,116,913.60x = 28,675,370.40 × 15,337,777.60
  4. Step 4: Simplify right side
    19,116,913.60x = 439,816,453,792,823
  5. Step 5: Solve for x
    x = 439,816,453,792,823/19,116,913.60
  6. Step 6: Final answer
    x = 23,006,666.40

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Double scale
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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.