Home / 9,381,813.75-12,940,228.67-8,609,937.17

Finding the Fourth Proportional to 9,381,813.75, 12,940,228.67 and 8,609,937.17

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Solution

The fourth proportional to 9,381,813.75, 12,940,228.67 and 8,609,937.17 is: 11,875,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381,813.75 : 12,940,228.67 = 8,609,937.17 : x
  2. Step 2: Convert to fraction form
    9,381,813.75/12,940,228.67 = 8,609,937.17/x
  3. Step 3: Cross multiply
    9,381,813.75x = 12,940,228.67 × 8,609,937.17
  4. Step 4: Simplify right side
    9,381,813.75x = 111,414,555,706,381.81
  5. Step 5: Solve for x
    x = 111,414,555,706,381.81/9,381,813.75
  6. Step 6: Final answer
    x = 11,875,588.10

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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.