Home / 15,110,167.12-20,851,422.22-8,234,501.56

Finding the Fourth Proportional to 15,110,167.12, 20,851,422.22 and 8,234,501.56

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Solution

The fourth proportional to 15,110,167.12, 20,851,422.22 and 8,234,501.56 is: 11,363,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110,167.12 : 20,851,422.22 = 8,234,501.56 : x
  2. Step 2: Convert to fraction form
    15,110,167.12/20,851,422.22 = 8,234,501.56/x
  3. Step 3: Cross multiply
    15,110,167.12x = 20,851,422.22 × 8,234,501.56
  4. Step 4: Simplify right side
    15,110,167.12x = 171,701,068,798,808.66
  5. Step 5: Solve for x
    x = 171,701,068,798,808.66/15,110,167.12
  6. Step 6: Final answer
    x = 11,363,280.59

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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.