Home / 10,392,518.92-15,479,192.28-9,926,228.76

Finding the Fourth Proportional to 10,392,518.92, 15,479,192.28 and 9,926,228.76

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Solution

The fourth proportional to 10,392,518.92, 15,479,192.28 and 9,926,228.76 is: 14,784,673.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392,518.92 : 15,479,192.28 = 9,926,228.76 : x
  2. Step 2: Convert to fraction form
    10,392,518.92/15,479,192.28 = 9,926,228.76/x
  3. Step 3: Cross multiply
    10,392,518.92x = 15,479,192.28 × 9,926,228.76
  4. Step 4: Simplify right side
    10,392,518.92x = 153,650,003,591,305.97
  5. Step 5: Solve for x
    x = 153,650,003,591,305.97/10,392,518.92
  6. Step 6: Final answer
    x = 14,784,673.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.