Home / 7,146,340.74-9,862,012.50-3,883,155.44

Finding the Fourth Proportional to 7,146,340.74, 9,862,012.50 and 3,883,155.44

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Solution

The fourth proportional to 7,146,340.74, 9,862,012.50 and 3,883,155.44 is: 5,358,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,340.74 : 9,862,012.50 = 3,883,155.44 : x
  2. Step 2: Convert to fraction form
    7,146,340.74/9,862,012.50 = 3,883,155.44/x
  3. Step 3: Cross multiply
    7,146,340.74x = 9,862,012.50 × 3,883,155.44
  4. Step 4: Simplify right side
    7,146,340.74x = 38,295,727,488,723
  5. Step 5: Solve for x
    x = 38,295,727,488,723/7,146,340.74
  6. Step 6: Final answer
    x = 5,358,788.35

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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.