Home / 8,312,774-11,479,551.60-7,859,892.82

Finding the Fourth Proportional to 8,312,774, 11,479,551.60 and 7,859,892.82

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Solution

The fourth proportional to 8,312,774, 11,479,551.60 and 7,859,892.82 is: 10,854,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312,774 : 11,479,551.60 = 7,859,892.82 : x
  2. Step 2: Convert to fraction form
    8,312,774/11,479,551.60 = 7,859,892.82/x
  3. Step 3: Cross multiply
    8,312,774x = 11,479,551.60 × 7,859,892.82
  4. Step 4: Simplify right side
    8,312,774x = 90,228,045,197,659.52
  5. Step 5: Solve for x
    x = 90,228,045,197,659.52/8,312,774
  6. Step 6: Final answer
    x = 10,854,143.90

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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.