Home / 28,498,631.40-42,753,131.10-9,324,052.20

Finding the Fourth Proportional to 28,498,631.40, 42,753,131.10 and 9,324,052.20

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Solution

The fourth proportional to 28,498,631.40, 42,753,131.10 and 9,324,052.20 is: 13,987,774.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,498,631.40 : 42,753,131.10 = 9,324,052.20 : x
  2. Step 2: Convert to fraction form
    28,498,631.40/42,753,131.10 = 9,324,052.20/x
  3. Step 3: Cross multiply
    28,498,631.40x = 42,753,131.10 × 9,324,052.20
  4. Step 4: Simplify right side
    28,498,631.40x = 398,632,426,089,843.38
  5. Step 5: Solve for x
    x = 398,632,426,089,843.38/28,498,631.40
  6. Step 6: Final answer
    x = 13,987,774.38

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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.