Home / 7,218,981.97-9,961,246.96-4,317,314.11

Finding the Fourth Proportional to 7,218,981.97, 9,961,246.96 and 4,317,314.11

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Solution

The fourth proportional to 7,218,981.97, 9,961,246.96 and 4,317,314.11 is: 5,957,326.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,981.97 : 9,961,246.96 = 4,317,314.11 : x
  2. Step 2: Convert to fraction form
    7,218,981.97/9,961,246.96 = 4,317,314.11/x
  3. Step 3: Cross multiply
    7,218,981.97x = 9,961,246.96 × 4,317,314.11
  4. Step 4: Simplify right side
    7,218,981.97x = 43,005,832,053,602.61
  5. Step 5: Solve for x
    x = 43,005,832,053,602.61/7,218,981.97
  6. Step 6: Final answer
    x = 5,957,326.43

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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.