Home / 28,732,579.60-43,098,869.40-13,379,839.60

Finding the Fourth Proportional to 28,732,579.60, 43,098,869.40 and 13,379,839.60

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Solution

The fourth proportional to 28,732,579.60, 43,098,869.40 and 13,379,839.60 is: 20,069,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732,579.60 : 43,098,869.40 = 13,379,839.60 : x
  2. Step 2: Convert to fraction form
    28,732,579.60/43,098,869.40 = 13,379,839.60/x
  3. Step 3: Cross multiply
    28,732,579.60x = 43,098,869.40 × 13,379,839.60
  4. Step 4: Simplify right side
    28,732,579.60x = 576,655,959,513,348.25
  5. Step 5: Solve for x
    x = 576,655,959,513,348.25/28,732,579.60
  6. Step 6: Final answer
    x = 20,069,759.40

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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.