Home / 15,009,697.43-20,713,400.17-8,134,179.49

Finding the Fourth Proportional to 15,009,697.43, 20,713,400.17 and 8,134,179.49

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Solution

The fourth proportional to 15,009,697.43, 20,713,400.17 and 8,134,179.49 is: 11,225,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009,697.43 : 20,713,400.17 = 8,134,179.49 : x
  2. Step 2: Convert to fraction form
    15,009,697.43/20,713,400.17 = 8,134,179.49/x
  3. Step 3: Cross multiply
    15,009,697.43x = 20,713,400.17 × 8,134,179.49
  4. Step 4: Simplify right side
    15,009,697.43x = 168,486,514,892,927.75
  5. Step 5: Solve for x
    x = 168,486,514,892,927.75/15,009,697.43
  6. Step 6: Final answer
    x = 11,225,177.30

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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.