Home / 11,479,253.52-15,840,771.90-7,128,246.36

Finding the Fourth Proportional to 11,479,253.52, 15,840,771.90 and 7,128,246.36

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Solution

The fourth proportional to 11,479,253.52, 15,840,771.90 and 7,128,246.36 is: 9,836,608.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479,253.52 : 15,840,771.90 = 7,128,246.36 : x
  2. Step 2: Convert to fraction form
    11,479,253.52/15,840,771.90 = 7,128,246.36/x
  3. Step 3: Cross multiply
    11,479,253.52x = 15,840,771.90 × 7,128,246.36
  4. Step 4: Simplify right side
    11,479,253.52x = 112,916,924,635,765.30
  5. Step 5: Solve for x
    x = 112,916,924,635,765.30/11,479,253.52
  6. Step 6: Final answer
    x = 9,836,608.66

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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.