Home / 42,487,903.20-63,731,854.80-13,754,659.80

Finding the Fourth Proportional to 42,487,903.20, 63,731,854.80 and 13,754,659.80

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Solution

The fourth proportional to 42,487,903.20, 63,731,854.80 and 13,754,659.80 is: 20,631,989.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,487,903.20 : 63,731,854.80 = 13,754,659.80 : x
  2. Step 2: Convert to fraction form
    42,487,903.20/63,731,854.80 = 13,754,659.80/x
  3. Step 3: Cross multiply
    42,487,903.20x = 63,731,854.80 × 13,754,659.80
  4. Step 4: Simplify right side
    42,487,903.20x = 876,609,981,196,997
  5. Step 5: Solve for x
    x = 876,609,981,196,997/42,487,903.20
  6. Step 6: Final answer
    x = 20,631,989.70

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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.