Home / 12,499,854.28-18,728,352.06-8,393,478.28

Finding the Fourth Proportional to 12,499,854.28, 18,728,352.06 and 8,393,478.28

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Solution

The fourth proportional to 12,499,854.28, 18,728,352.06 and 8,393,478.28 is: 12,575,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,499,854.28 : 18,728,352.06 = 8,393,478.28 : x
  2. Step 2: Convert to fraction form
    12,499,854.28/18,728,352.06 = 8,393,478.28/x
  3. Step 3: Cross multiply
    12,499,854.28x = 18,728,352.06 × 8,393,478.28
  4. Step 4: Simplify right side
    12,499,854.28x = 157,196,016,235,803.22
  5. Step 5: Solve for x
    x = 157,196,016,235,803.22/12,499,854.28
  6. Step 6: Final answer
    x = 12,575,827.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.