Home / 9,125,070.72-12,591,736.20-5,453,256.28

Finding the Fourth Proportional to 9,125,070.72, 12,591,736.20 and 5,453,256.28

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Solution

The fourth proportional to 9,125,070.72, 12,591,736.20 and 5,453,256.28 is: 7,524,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125,070.72 : 12,591,736.20 = 5,453,256.28 : x
  2. Step 2: Convert to fraction form
    9,125,070.72/12,591,736.20 = 5,453,256.28/x
  3. Step 3: Cross multiply
    9,125,070.72x = 12,591,736.20 × 5,453,256.28
  4. Step 4: Simplify right side
    9,125,070.72x = 68,665,964,508,753.34
  5. Step 5: Solve for x
    x = 68,665,964,508,753.34/9,125,070.72
  6. Step 6: Final answer
    x = 7,524,978.89

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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.