Home / 12,672,167.10-18,975,073.05-9,288,051.90

Finding the Fourth Proportional to 12,672,167.10, 18,975,073.05 and 9,288,051.90

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Solution

The fourth proportional to 12,672,167.10, 18,975,073.05 and 9,288,051.90 is: 13,907,760.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,167.10 : 18,975,073.05 = 9,288,051.90 : x
  2. Step 2: Convert to fraction form
    12,672,167.10/18,975,073.05 = 9,288,051.90/x
  3. Step 3: Cross multiply
    12,672,167.10x = 18,975,073.05 × 9,288,051.90
  4. Step 4: Simplify right side
    12,672,167.10x = 176,241,463,294,691.31
  5. Step 5: Solve for x
    x = 176,241,463,294,691.31/12,672,167.10
  6. Step 6: Final answer
    x = 13,907,760.36

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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.