Home / 15,126,931.24-20,875,298.34-8,251,443.88

Finding the Fourth Proportional to 15,126,931.24, 20,875,298.34 and 8,251,443.88

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Solution

The fourth proportional to 15,126,931.24, 20,875,298.34 and 8,251,443.88 is: 11,387,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126,931.24 : 20,875,298.34 = 8,251,443.88 : x
  2. Step 2: Convert to fraction form
    15,126,931.24/20,875,298.34 = 8,251,443.88/x
  3. Step 3: Cross multiply
    15,126,931.24x = 20,875,298.34 × 8,251,443.88
  4. Step 4: Simplify right side
    15,126,931.24x = 172,251,352,730,767.16
  5. Step 5: Solve for x
    x = 172,251,352,730,767.16/15,126,931.24
  6. Step 6: Final answer
    x = 11,387,065.23

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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.