Home / 9,760,489.88-14,649,516.06-5,215,423.78

Finding the Fourth Proportional to 9,760,489.88, 14,649,516.06 and 5,215,423.78

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Solution

The fourth proportional to 9,760,489.88, 14,649,516.06 and 5,215,423.78 is: 7,827,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,760,489.88 : 14,649,516.06 = 5,215,423.78 : x
  2. Step 2: Convert to fraction form
    9,760,489.88/14,649,516.06 = 5,215,423.78/x
  3. Step 3: Cross multiply
    9,760,489.88x = 14,649,516.06 × 5,215,423.78
  4. Step 4: Simplify right side
    9,760,489.88x = 76,403,434,423,569.97
  5. Step 5: Solve for x
    x = 76,403,434,423,569.97/9,760,489.88
  6. Step 6: Final answer
    x = 7,827,827.84

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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.