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Finding the Fourth Proportional to 14,776,868.60, 22,127,978.10 and 9,700,695.80

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Solution

The fourth proportional to 14,776,868.60, 22,127,978.10 and 9,700,695.80 is: 14,526,540.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,776,868.60 : 22,127,978.10 = 9,700,695.80 : x
  2. Step 2: Convert to fraction form
    14,776,868.60/22,127,978.10 = 9,700,695.80/x
  3. Step 3: Cross multiply
    14,776,868.60x = 22,127,978.10 × 9,700,695.80
  4. Step 4: Simplify right side
    14,776,868.60x = 214,656,784,217,162
  5. Step 5: Solve for x
    x = 214,656,784,217,162/14,776,868.60
  6. Step 6: Final answer
    x = 14,526,540.77

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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.