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Finding the Fourth Proportional to 16,808,568.40, 25,156,865.40 and 14,793,029.20

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Solution

The fourth proportional to 16,808,568.40, 25,156,865.40 and 14,793,029.20 is: 22,140,270.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,808,568.40 : 25,156,865.40 = 14,793,029.20 : x
  2. Step 2: Convert to fraction form
    16,808,568.40/25,156,865.40 = 14,793,029.20/x
  3. Step 3: Cross multiply
    16,808,568.40x = 25,156,865.40 × 14,793,029.20
  4. Step 4: Simplify right side
    16,808,568.40x = 372,146,244,442,669.62
  5. Step 5: Solve for x
    x = 372,146,244,442,669.62/16,808,568.40
  6. Step 6: Final answer
    x = 22,140,270.10

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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.