Home / 9,179,961.72-12,668,795.82-5,105,493.24

Finding the Fourth Proportional to 9,179,961.72, 12,668,795.82 and 5,105,493.24

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Solution

The fourth proportional to 9,179,961.72, 12,668,795.82 and 5,105,493.24 is: 7,045,830.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179,961.72 : 12,668,795.82 = 5,105,493.24 : x
  2. Step 2: Convert to fraction form
    9,179,961.72/12,668,795.82 = 5,105,493.24/x
  3. Step 3: Cross multiply
    9,179,961.72x = 12,668,795.82 × 5,105,493.24
  4. Step 4: Simplify right side
    9,179,961.72x = 64,680,451,417,950.26
  5. Step 5: Solve for x
    x = 64,680,451,417,950.26/9,179,961.72
  6. Step 6: Final answer
    x = 7,045,830.19

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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.