Home / 10,070,861.76-13,897,614.24-5,487,220.80

Finding the Fourth Proportional to 10,070,861.76, 13,897,614.24 and 5,487,220.80

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Solution

The fourth proportional to 10,070,861.76, 13,897,614.24 and 5,487,220.80 is: 7,572,269.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070,861.76 : 13,897,614.24 = 5,487,220.80 : x
  2. Step 2: Convert to fraction form
    10,070,861.76/13,897,614.24 = 5,487,220.80/x
  3. Step 3: Cross multiply
    10,070,861.76x = 13,897,614.24 × 5,487,220.80
  4. Step 4: Simplify right side
    10,070,861.76x = 76,259,277,928,104.19
  5. Step 5: Solve for x
    x = 76,259,277,928,104.19/10,070,861.76
  6. Step 6: Final answer
    x = 7,572,269.36

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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.