Home / 28,098,130.20-42,126,200.10-15,333,048.60

Finding the Fourth Proportional to 28,098,130.20, 42,126,200.10 and 15,333,048.60

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Solution

The fourth proportional to 28,098,130.20, 42,126,200.10 and 15,333,048.60 is: 22,988,115.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,098,130.20 : 42,126,200.10 = 15,333,048.60 : x
  2. Step 2: Convert to fraction form
    28,098,130.20/42,126,200.10 = 15,333,048.60/x
  3. Step 3: Cross multiply
    28,098,130.20x = 42,126,200.10 × 15,333,048.60
  4. Step 4: Simplify right side
    28,098,130.20x = 645,923,073,466,624.88
  5. Step 5: Solve for x
    x = 645,923,073,466,624.88/28,098,130.20
  6. Step 6: Final answer
    x = 22,988,115.89

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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.