Home / 12,548,038.39-18,806,921.62-6,479,461.96

Finding the Fourth Proportional to 12,548,038.39, 18,806,921.62 and 6,479,461.96

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Solution

The fourth proportional to 12,548,038.39, 18,806,921.62 and 6,479,461.96 is: 9,711,377.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548,038.39 : 18,806,921.62 = 6,479,461.96 : x
  2. Step 2: Convert to fraction form
    12,548,038.39/18,806,921.62 = 6,479,461.96/x
  3. Step 3: Cross multiply
    12,548,038.39x = 18,806,921.62 × 6,479,461.96
  4. Step 4: Simplify right side
    12,548,038.39x = 121,858,733,158,275.61
  5. Step 5: Solve for x
    x = 121,858,733,158,275.61/12,548,038.39
  6. Step 6: Final answer
    x = 9,711,377.14

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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.