Home / 7,218,825-9,961,029.54-4,317,155.88

Finding the Fourth Proportional to 7,218,825, 9,961,029.54 and 4,317,155.88

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Solution

The fourth proportional to 7,218,825, 9,961,029.54 and 4,317,155.88 is: 5,957,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,825 : 9,961,029.54 = 4,317,155.88 : x
  2. Step 2: Convert to fraction form
    7,218,825/9,961,029.54 = 4,317,155.88/x
  3. Step 3: Cross multiply
    7,218,825x = 9,961,029.54 × 4,317,155.88
  4. Step 4: Simplify right side
    7,218,825x = 43,003,317,249,464.69
  5. Step 5: Solve for x
    x = 43,003,317,249,464.69/7,218,825
  6. Step 6: Final answer
    x = 5,957,107.60

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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.