Home / 20,737,662.60-31,052,061.90-14,639,464.20

Finding the Fourth Proportional to 20,737,662.60, 31,052,061.90 and 14,639,464.20

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Solution

The fourth proportional to 20,737,662.60, 31,052,061.90 and 14,639,464.20 is: 21,920,770.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737,662.60 : 31,052,061.90 = 14,639,464.20 : x
  2. Step 2: Convert to fraction form
    20,737,662.60/31,052,061.90 = 14,639,464.20/x
  3. Step 3: Cross multiply
    20,737,662.60x = 31,052,061.90 × 14,639,464.20
  4. Step 4: Simplify right side
    20,737,662.60x = 454,585,548,521,233.94
  5. Step 5: Solve for x
    x = 454,585,548,521,233.94/20,737,662.60
  6. Step 6: Final answer
    x = 21,920,770.79

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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.