Home / 12,791,593.60-19,162,507.20-7,727,862.40

Finding the Fourth Proportional to 12,791,593.60, 19,162,507.20 and 7,727,862.40

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Solution

The fourth proportional to 12,791,593.60, 19,162,507.20 and 7,727,862.40 is: 11,576,760.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791,593.60 : 19,162,507.20 = 7,727,862.40 : x
  2. Step 2: Convert to fraction form
    12,791,593.60/19,162,507.20 = 7,727,862.40/x
  3. Step 3: Cross multiply
    12,791,593.60x = 19,162,507.20 × 7,727,862.40
  4. Step 4: Simplify right side
    12,791,593.60x = 148,085,218,880,609.28
  5. Step 5: Solve for x
    x = 148,085,218,880,609.28/12,791,593.60
  6. Step 6: Final answer
    x = 11,576,760.76

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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.