Home / 13,307,321.10-19,960,981.65-11,961,003.90

Finding the Fourth Proportional to 13,307,321.10, 19,960,981.65 and 11,961,003.90

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Solution

The fourth proportional to 13,307,321.10, 19,960,981.65 and 11,961,003.90 is: 17,941,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307,321.10 : 19,960,981.65 = 11,961,003.90 : x
  2. Step 2: Convert to fraction form
    13,307,321.10/19,960,981.65 = 11,961,003.90/x
  3. Step 3: Cross multiply
    13,307,321.10x = 19,960,981.65 × 11,961,003.90
  4. Step 4: Simplify right side
    13,307,321.10x = 238,753,379,363,478.44
  5. Step 5: Solve for x
    x = 238,753,379,363,478.44/13,307,321.10
  6. Step 6: Final answer
    x = 17,941,505.85

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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.