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Finding the Fourth Proportional to 14,940,948.80, 22,361,656.80 and 13,149,358.40

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Solution

The fourth proportional to 14,940,948.80, 22,361,656.80 and 13,149,358.40 is: 19,680,238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940,948.80 : 22,361,656.80 = 13,149,358.40 : x
  2. Step 2: Convert to fraction form
    14,940,948.80/22,361,656.80 = 13,149,358.40/x
  3. Step 3: Cross multiply
    14,940,948.80x = 22,361,656.80 × 13,149,358.40
  4. Step 4: Simplify right side
    14,940,948.80x = 294,041,439,680,997.12
  5. Step 5: Solve for x
    x = 294,041,439,680,997.12/14,940,948.80
  6. Step 6: Final answer
    x = 19,680,238.76

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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.