Home / 48,387,918.30-72,581,877.45-12,486,126.30

Finding the Fourth Proportional to 48,387,918.30, 72,581,877.45 and 12,486,126.30

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Solution

The fourth proportional to 48,387,918.30, 72,581,877.45 and 12,486,126.30 is: 18,729,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387,918.30 : 72,581,877.45 = 12,486,126.30 : x
  2. Step 2: Convert to fraction form
    48,387,918.30/72,581,877.45 = 12,486,126.30/x
  3. Step 3: Cross multiply
    48,387,918.30x = 72,581,877.45 × 12,486,126.30
  4. Step 4: Simplify right side
    48,387,918.30x = 906,266,488,931,822
  5. Step 5: Solve for x
    x = 906,266,488,931,822/48,387,918.30
  6. Step 6: Final answer
    x = 18,729,189.45

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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.