Home / 6,633,990.73-9,155,284.02-3,985,648.20

Finding the Fourth Proportional to 6,633,990.73, 9,155,284.02 and 3,985,648.20

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Solution

The fourth proportional to 6,633,990.73, 9,155,284.02 and 3,985,648.20 is: 5,500,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,633,990.73 : 9,155,284.02 = 3,985,648.20 : x
  2. Step 2: Convert to fraction form
    6,633,990.73/9,155,284.02 = 3,985,648.20/x
  3. Step 3: Cross multiply
    6,633,990.73x = 9,155,284.02 × 3,985,648.20
  4. Step 4: Simplify right side
    6,633,990.73x = 36,489,741,209,097.10
  5. Step 5: Solve for x
    x = 36,489,741,209,097.10/6,633,990.73
  6. Step 6: Final answer
    x = 5,500,420.90

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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.