Home / 52,406,655.14-72,320,215.38-28,564,487.78

Finding the Fourth Proportional to 52,406,655.14, 72,320,215.38 and 28,564,487.78

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Solution

The fourth proportional to 52,406,655.14, 72,320,215.38 and 28,564,487.78 is: 39,418,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,406,655.14 : 72,320,215.38 = 28,564,487.78 : x
  2. Step 2: Convert to fraction form
    52,406,655.14/72,320,215.38 = 28,564,487.78/x
  3. Step 3: Cross multiply
    52,406,655.14x = 72,320,215.38 × 28,564,487.78
  4. Step 4: Simplify right side
    52,406,655.14x = 2,065,789,908,468,978
  5. Step 5: Solve for x
    x = 2,065,789,908,468,978/52,406,655.14
  6. Step 6: Final answer
    x = 39,418,465.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.