Home / 15,414,266.88-21,272,041.92-8,445,609.60

Finding the Fourth Proportional to 15,414,266.88, 21,272,041.92 and 8,445,609.60

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Solution

The fourth proportional to 15,414,266.88, 21,272,041.92 and 8,445,609.60 is: 11,655,135.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,414,266.88 : 21,272,041.92 = 8,445,609.60 : x
  2. Step 2: Convert to fraction form
    15,414,266.88/21,272,041.92 = 8,445,609.60/x
  3. Step 3: Cross multiply
    15,414,266.88x = 21,272,041.92 × 8,445,609.60
  4. Step 4: Simplify right side
    15,414,266.88x = 179,655,361,451,154.44
  5. Step 5: Solve for x
    x = 179,655,361,451,154.44/15,414,266.88
  6. Step 6: Final answer
    x = 11,655,135.00

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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.