Home / 15,300,053.62-21,114,452.39-8,331,113.14

Finding the Fourth Proportional to 15,300,053.62, 21,114,452.39 and 8,331,113.14

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Solution

The fourth proportional to 15,300,053.62, 21,114,452.39 and 8,331,113.14 is: 11,497,142.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,300,053.62 : 21,114,452.39 = 8,331,113.14 : x
  2. Step 2: Convert to fraction form
    15,300,053.62/21,114,452.39 = 8,331,113.14/x
  3. Step 3: Cross multiply
    15,300,053.62x = 21,114,452.39 × 8,331,113.14
  4. Step 4: Simplify right side
    15,300,053.62x = 175,906,891,750,233.41
  5. Step 5: Solve for x
    x = 175,906,891,750,233.41/15,300,053.62
  6. Step 6: Final answer
    x = 11,497,142.17

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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.