Home / 52,189,743.59-72,022,013.85-28,984,869.87

Finding the Fourth Proportional to 52,189,743.59, 72,022,013.85 and 28,984,869.87

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Solution

The fourth proportional to 52,189,743.59, 72,022,013.85 and 28,984,869.87 is: 39,999,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,189,743.59 : 72,022,013.85 = 28,984,869.87 : x
  2. Step 2: Convert to fraction form
    52,189,743.59/72,022,013.85 = 28,984,869.87/x
  3. Step 3: Cross multiply
    52,189,743.59x = 72,022,013.85 × 28,984,869.87
  4. Step 4: Simplify right side
    52,189,743.59x = 2,087,548,699,217,587.50
  5. Step 5: Solve for x
    x = 2,087,548,699,217,587.50/52,189,743.59
  6. Step 6: Final answer
    x = 39,999,213.55

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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.