Home / 9,005,301.36-12,418,920-8,336,516.76

Finding the Fourth Proportional to 9,005,301.36, 12,418,920 and 8,336,516.76

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Solution

The fourth proportional to 9,005,301.36, 12,418,920 and 8,336,516.76 is: 11,496,620.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005,301.36 : 12,418,920 = 8,336,516.76 : x
  2. Step 2: Convert to fraction form
    9,005,301.36/12,418,920 = 8,336,516.76/x
  3. Step 3: Cross multiply
    9,005,301.36x = 12,418,920 × 8,336,516.76
  4. Step 4: Simplify right side
    9,005,301.36x = 103,530,534,721,099.20
  5. Step 5: Solve for x
    x = 103,530,534,721,099.20/9,005,301.36
  6. Step 6: Final answer
    x = 11,496,620.78

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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.