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Finding the Fourth Proportional to 17,664,672.60, 26,497,008.90 and 13,838,297.40

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Solution

The fourth proportional to 17,664,672.60, 26,497,008.90 and 13,838,297.40 is: 20,757,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,664,672.60 : 26,497,008.90 = 13,838,297.40 : x
  2. Step 2: Convert to fraction form
    17,664,672.60/26,497,008.90 = 13,838,297.40/x
  3. Step 3: Cross multiply
    17,664,672.60x = 26,497,008.90 × 13,838,297.40
  4. Step 4: Simplify right side
    17,664,672.60x = 366,673,489,368,646.88
  5. Step 5: Solve for x
    x = 366,673,489,368,646.88/17,664,672.60
  6. Step 6: Final answer
    x = 20,757,446.10

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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.