Home / 9,072,288.30-13,608,432.45-8,347,953.90

Finding the Fourth Proportional to 9,072,288.30, 13,608,432.45 and 8,347,953.90

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Solution

The fourth proportional to 9,072,288.30, 13,608,432.45 and 8,347,953.90 is: 12,521,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,288.30 : 13,608,432.45 = 8,347,953.90 : x
  2. Step 2: Convert to fraction form
    9,072,288.30/13,608,432.45 = 8,347,953.90/x
  3. Step 3: Cross multiply
    9,072,288.30x = 13,608,432.45 × 8,347,953.90
  4. Step 4: Simplify right side
    9,072,288.30x = 113,602,566,743,864.05
  5. Step 5: Solve for x
    x = 113,602,566,743,864.05/9,072,288.30
  6. Step 6: Final answer
    x = 12,521,930.85

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Similar ratio
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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.