Home / 28,532,102.49-42,805,124.85-9,101,331.86

Finding the Fourth Proportional to 28,532,102.49, 42,805,124.85 and 9,101,331.86

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Solution

The fourth proportional to 28,532,102.49, 42,805,124.85 and 9,101,331.86 is: 13,654,221.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,532,102.49 : 42,805,124.85 = 9,101,331.86 : x
  2. Step 2: Convert to fraction form
    28,532,102.49/42,805,124.85 = 9,101,331.86/x
  3. Step 3: Cross multiply
    28,532,102.49x = 42,805,124.85 × 9,101,331.86
  4. Step 4: Simplify right side
    28,532,102.49x = 389,583,646,568,582.69
  5. Step 5: Solve for x
    x = 389,583,646,568,582.69/28,532,102.49
  6. Step 6: Final answer
    x = 13,654,221.48

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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.