Home / 20,732,740.60-31,099,110.90-15,424,324.60

Finding the Fourth Proportional to 20,732,740.60, 31,099,110.90 and 15,424,324.60

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Solution

The fourth proportional to 20,732,740.60, 31,099,110.90 and 15,424,324.60 is: 23,136,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,740.60 : 31,099,110.90 = 15,424,324.60 : x
  2. Step 2: Convert to fraction form
    20,732,740.60/31,099,110.90 = 15,424,324.60/x
  3. Step 3: Cross multiply
    20,732,740.60x = 31,099,110.90 × 15,424,324.60
  4. Step 4: Simplify right side
    20,732,740.60x = 479,682,781,292,998.12
  5. Step 5: Solve for x
    x = 479,682,781,292,998.12/20,732,740.60
  6. Step 6: Final answer
    x = 23,136,486.90

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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.