Home / 40,782,839.40-61,174,259.10-28,665,984.60

Finding the Fourth Proportional to 40,782,839.40, 61,174,259.10 and 28,665,984.60

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Solution

The fourth proportional to 40,782,839.40, 61,174,259.10 and 28,665,984.60 is: 42,998,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,782,839.40 : 61,174,259.10 = 28,665,984.60 : x
  2. Step 2: Convert to fraction form
    40,782,839.40/61,174,259.10 = 28,665,984.60/x
  3. Step 3: Cross multiply
    40,782,839.40x = 61,174,259.10 × 28,665,984.60
  4. Step 4: Simplify right side
    40,782,839.40x = 1,753,620,369,277,010
  5. Step 5: Solve for x
    x = 1,753,620,369,277,010/40,782,839.40
  6. Step 6: Final answer
    x = 42,998,976.90

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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.