Home / 20,996,001.60-31,489,276.05-7,532,829.60

Finding the Fourth Proportional to 20,996,001.60, 31,489,276.05 and 7,532,829.60

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Solution

The fourth proportional to 20,996,001.60, 31,489,276.05 and 7,532,829.60 is: 11,297,548.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996,001.60 : 31,489,276.05 = 7,532,829.60 : x
  2. Step 2: Convert to fraction form
    20,996,001.60/31,489,276.05 = 7,532,829.60/x
  3. Step 3: Cross multiply
    20,996,001.60x = 31,489,276.05 × 7,532,829.60
  4. Step 4: Simplify right side
    20,996,001.60x = 237,203,350,712,011.06
  5. Step 5: Solve for x
    x = 237,203,350,712,011.06/20,996,001.60
  6. Step 6: Final answer
    x = 11,297,548.71

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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.