Home / 21,371,543.60-32,060,425.80-6,991,127.60

Finding the Fourth Proportional to 21,371,543.60, 32,060,425.80 and 6,991,127.60

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Solution

The fourth proportional to 21,371,543.60, 32,060,425.80 and 6,991,127.60 is: 10,487,708.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,371,543.60 : 32,060,425.80 = 6,991,127.60 : x
  2. Step 2: Convert to fraction form
    21,371,543.60/32,060,425.80 = 6,991,127.60/x
  3. Step 3: Cross multiply
    21,371,543.60x = 32,060,425.80 × 6,991,127.60
  4. Step 4: Simplify right side
    21,371,543.60x = 224,138,527,678,132.06
  5. Step 5: Solve for x
    x = 224,138,527,678,132.06/21,371,543.60
  6. Step 6: Final answer
    x = 10,487,708.88

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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.