Home / 6,639,366.30-9,968,380.65-5,221,023.90

Finding the Fourth Proportional to 6,639,366.30, 9,968,380.65 and 5,221,023.90

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Solution

The fourth proportional to 6,639,366.30, 9,968,380.65 and 5,221,023.90 is: 7,838,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639,366.30 : 9,968,380.65 = 5,221,023.90 : x
  2. Step 2: Convert to fraction form
    6,639,366.30/9,968,380.65 = 5,221,023.90/x
  3. Step 3: Cross multiply
    6,639,366.30x = 9,968,380.65 × 5,221,023.90
  4. Step 4: Simplify right side
    6,639,366.30x = 52,045,153,617,947.54
  5. Step 5: Solve for x
    x = 52,045,153,617,947.54/6,639,366.30
  6. Step 6: Final answer
    x = 7,838,873.66

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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.