Home / 13,454,624.52-18,561,557.16-8,227,861.20

Finding the Fourth Proportional to 13,454,624.52, 18,561,557.16 and 8,227,861.20

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Solution

The fourth proportional to 13,454,624.52, 18,561,557.16 and 8,227,861.20 is: 11,350,886.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454,624.52 : 18,561,557.16 = 8,227,861.20 : x
  2. Step 2: Convert to fraction form
    13,454,624.52/18,561,557.16 = 8,227,861.20/x
  3. Step 3: Cross multiply
    13,454,624.52x = 18,561,557.16 × 8,227,861.20
  4. Step 4: Simplify right side
    13,454,624.52x = 152,721,915,968,346.19
  5. Step 5: Solve for x
    x = 152,721,915,968,346.19/13,454,624.52
  6. Step 6: Final answer
    x = 11,350,886.51

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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.