Home / 22,718,031.08-31,350,757.84-12,404,680.76

Finding the Fourth Proportional to 22,718,031.08, 31,350,757.84 and 12,404,680.76

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Solution

The fourth proportional to 22,718,031.08, 31,350,757.84 and 12,404,680.76 is: 17,118,391.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,718,031.08 : 31,350,757.84 = 12,404,680.76 : x
  2. Step 2: Convert to fraction form
    22,718,031.08/31,350,757.84 = 12,404,680.76/x
  3. Step 3: Cross multiply
    22,718,031.08x = 31,350,757.84 × 12,404,680.76
  4. Step 4: Simplify right side
    22,718,031.08x = 388,896,142,589,267.12
  5. Step 5: Solve for x
    x = 388,896,142,589,267.12/22,718,031.08
  6. Step 6: Final answer
    x = 17,118,391.17

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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.