Home / 15,134,106.47-20,885,508.14-8,259,031.40

Finding the Fourth Proportional to 15,134,106.47, 20,885,508.14 and 8,259,031.40

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Solution

The fourth proportional to 15,134,106.47, 20,885,508.14 and 8,259,031.40 is: 11,397,704.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134,106.47 : 20,885,508.14 = 8,259,031.40 : x
  2. Step 2: Convert to fraction form
    15,134,106.47/20,885,508.14 = 8,259,031.40/x
  3. Step 3: Cross multiply
    15,134,106.47x = 20,885,508.14 × 8,259,031.40
  4. Step 4: Simplify right side
    15,134,106.47x = 172,494,067,387,492.91
  5. Step 5: Solve for x
    x = 172,494,067,387,492.91/15,134,106.47
  6. Step 6: Final answer
    x = 11,397,704.11

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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.