Home / 19,008,314.20-28,512,471.30-9,425,171.80

Finding the Fourth Proportional to 19,008,314.20, 28,512,471.30 and 9,425,171.80

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Solution

The fourth proportional to 19,008,314.20, 28,512,471.30 and 9,425,171.80 is: 14,137,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,314.20 : 28,512,471.30 = 9,425,171.80 : x
  2. Step 2: Convert to fraction form
    19,008,314.20/28,512,471.30 = 9,425,171.80/x
  3. Step 3: Cross multiply
    19,008,314.20x = 28,512,471.30 × 9,425,171.80
  4. Step 4: Simplify right side
    19,008,314.20x = 268,734,940,445,069.38
  5. Step 5: Solve for x
    x = 268,734,940,445,069.38/19,008,314.20
  6. Step 6: Final answer
    x = 14,137,757.70

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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.