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Finding the Fourth Proportional to 16,335,968.60, 24,503,952.90 and 10,856,221.40

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Solution

The fourth proportional to 16,335,968.60, 24,503,952.90 and 10,856,221.40 is: 16,284,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,335,968.60 : 24,503,952.90 = 10,856,221.40 : x
  2. Step 2: Convert to fraction form
    16,335,968.60/24,503,952.90 = 10,856,221.40/x
  3. Step 3: Cross multiply
    16,335,968.60x = 24,503,952.90 × 10,856,221.40
  4. Step 4: Simplify right side
    16,335,968.60x = 266,020,337,857,572.06
  5. Step 5: Solve for x
    x = 266,020,337,857,572.06/16,335,968.60
  6. Step 6: Final answer
    x = 16,284,332.10

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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.