Home / 15,110,168.12-20,851,423.60-8,234,502.56

Finding the Fourth Proportional to 15,110,168.12, 20,851,423.60 and 8,234,502.56

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Solution

The fourth proportional to 15,110,168.12, 20,851,423.60 and 8,234,502.56 is: 11,363,281.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110,168.12 : 20,851,423.60 = 8,234,502.56 : x
  2. Step 2: Convert to fraction form
    15,110,168.12/20,851,423.60 = 8,234,502.56/x
  3. Step 3: Cross multiply
    15,110,168.12x = 20,851,423.60 × 8,234,502.56
  4. Step 4: Simplify right side
    15,110,168.12x = 171,701,101,013,844.41
  5. Step 5: Solve for x
    x = 171,701,101,013,844.41/15,110,168.12
  6. Step 6: Final answer
    x = 11,363,281.97

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1.5x scale

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.