Home / 7,218,980.97-9,961,245.59-4,317,313.11

Finding the Fourth Proportional to 7,218,980.97, 9,961,245.59 and 4,317,313.11

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Solution

The fourth proportional to 7,218,980.97, 9,961,245.59 and 4,317,313.11 is: 5,957,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,980.97 : 9,961,245.59 = 4,317,313.11 : x
  2. Step 2: Convert to fraction form
    7,218,980.97/9,961,245.59 = 4,317,313.11/x
  3. Step 3: Cross multiply
    7,218,980.97x = 9,961,245.59 × 4,317,313.11
  4. Step 4: Simplify right side
    7,218,980.97x = 43,005,816,156,050.12
  5. Step 5: Solve for x
    x = 43,005,816,156,050.12/7,218,980.97
  6. Step 6: Final answer
    x = 5,957,325.05

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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.