Home / 7,721,105.83-10,655,138.60-4,283,346.90

Finding the Fourth Proportional to 7,721,105.83, 10,655,138.60 and 4,283,346.90

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Solution

The fourth proportional to 7,721,105.83, 10,655,138.60 and 4,283,346.90 is: 5,911,025.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,105.83 : 10,655,138.60 = 4,283,346.90 : x
  2. Step 2: Convert to fraction form
    7,721,105.83/10,655,138.60 = 4,283,346.90/x
  3. Step 3: Cross multiply
    7,721,105.83x = 10,655,138.60 × 4,283,346.90
  4. Step 4: Simplify right side
    7,721,105.83x = 45,639,654,891,380.34
  5. Step 5: Solve for x
    x = 45,639,654,891,380.34/7,721,105.83
  6. Step 6: Final answer
    x = 5,911,025.69

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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.