Home / 10,061,085.12-13,893,521.28-6,391,189.44

Finding the Fourth Proportional to 10,061,085.12, 13,893,521.28 and 6,391,189.44

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Solution

The fourth proportional to 10,061,085.12, 13,893,521.28 and 6,391,189.44 is: 8,825,700.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,061,085.12 : 13,893,521.28 = 6,391,189.44 : x
  2. Step 2: Convert to fraction form
    10,061,085.12/13,893,521.28 = 6,391,189.44/x
  3. Step 3: Cross multiply
    10,061,085.12x = 13,893,521.28 × 6,391,189.44
  4. Step 4: Simplify right side
    10,061,085.12x = 88,796,126,489,151.28
  5. Step 5: Solve for x
    x = 88,796,126,489,151.28/10,061,085.12
  6. Step 6: Final answer
    x = 8,825,700.75

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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.