Home / 13,287,169.40-18,336,294.02-7,175,597.90

Finding the Fourth Proportional to 13,287,169.40, 18,336,294.02 and 7,175,597.90

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Solution

The fourth proportional to 13,287,169.40, 18,336,294.02 and 7,175,597.90 is: 9,902,325.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,169.40 : 18,336,294.02 = 7,175,597.90 : x
  2. Step 2: Convert to fraction form
    13,287,169.40/18,336,294.02 = 7,175,597.90/x
  3. Step 3: Cross multiply
    13,287,169.40x = 18,336,294.02 × 7,175,597.90
  4. Step 4: Simplify right side
    13,287,169.40x = 131,573,872,863,694.56
  5. Step 5: Solve for x
    x = 131,573,872,863,694.56/13,287,169.40
  6. Step 6: Final answer
    x = 9,902,325.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.