Home / 9,969,331.20-14,933,001.60-8,079,763.20

Finding the Fourth Proportional to 9,969,331.20, 14,933,001.60 and 8,079,763.20

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Solution

The fourth proportional to 9,969,331.20, 14,933,001.60 and 8,079,763.20 is: 12,102,628.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969,331.20 : 14,933,001.60 = 8,079,763.20 : x
  2. Step 2: Convert to fraction form
    9,969,331.20/14,933,001.60 = 8,079,763.20/x
  3. Step 3: Cross multiply
    9,969,331.20x = 14,933,001.60 × 8,079,763.20
  4. Step 4: Simplify right side
    9,969,331.20x = 120,655,116,793,221.12
  5. Step 5: Solve for x
    x = 120,655,116,793,221.12/9,969,331.20
  6. Step 6: Final answer
    x = 12,102,628.99

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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.