Home / 13,287,329.64-18,336,514.32-7,175,757.60

Finding the Fourth Proportional to 13,287,329.64, 18,336,514.32 and 7,175,757.60

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Solution

The fourth proportional to 13,287,329.64, 18,336,514.32 and 7,175,757.60 is: 9,902,545.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,329.64 : 18,336,514.32 = 7,175,757.60 : x
  2. Step 2: Convert to fraction form
    13,287,329.64/18,336,514.32 = 7,175,757.60/x
  3. Step 3: Cross multiply
    13,287,329.64x = 18,336,514.32 × 7,175,757.60
  4. Step 4: Simplify right side
    13,287,329.64x = 131,578,381,989,248.83
  5. Step 5: Solve for x
    x = 131,578,381,989,248.83/13,287,329.64
  6. Step 6: Final answer
    x = 9,902,545.17

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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.