Home / 13,655,189.17-20,485,736.21-7,264,512.73

Finding the Fourth Proportional to 13,655,189.17, 20,485,736.21 and 7,264,512.73

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Solution

The fourth proportional to 13,655,189.17, 20,485,736.21 and 7,264,512.73 is: 10,898,339.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655,189.17 : 20,485,736.21 = 7,264,512.73 : x
  2. Step 2: Convert to fraction form
    13,655,189.17/20,485,736.21 = 7,264,512.73/x
  3. Step 3: Cross multiply
    13,655,189.17x = 20,485,736.21 × 7,264,512.73
  4. Step 4: Simplify right side
    13,655,189.17x = 148,818,891,480,966.97
  5. Step 5: Solve for x
    x = 148,818,891,480,966.97/13,655,189.17
  6. Step 6: Final answer
    x = 10,898,339.79

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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.