Home / 7,485,005.76-10,329,442.50-4,389,761.55

Finding the Fourth Proportional to 7,485,005.76, 10,329,442.50 and 4,389,761.55

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Solution

The fourth proportional to 7,485,005.76, 10,329,442.50 and 4,389,761.55 is: 6,057,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485,005.76 : 10,329,442.50 = 4,389,761.55 : x
  2. Step 2: Convert to fraction form
    7,485,005.76/10,329,442.50 = 4,389,761.55/x
  3. Step 3: Cross multiply
    7,485,005.76x = 10,329,442.50 × 4,389,761.55
  4. Step 4: Simplify right side
    7,485,005.76x = 45,343,789,519,435.88
  5. Step 5: Solve for x
    x = 45,343,789,519,435.88/7,485,005.76
  6. Step 6: Final answer
    x = 6,057,949.85

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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.