Home / 11,380,141.76-15,706,454.07-8,459,356.79

Finding the Fourth Proportional to 11,380,141.76, 15,706,454.07 and 8,459,356.79

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Solution

The fourth proportional to 11,380,141.76, 15,706,454.07 and 8,459,356.79 is: 11,675,293.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380,141.76 : 15,706,454.07 = 8,459,356.79 : x
  2. Step 2: Convert to fraction form
    11,380,141.76/15,706,454.07 = 8,459,356.79/x
  3. Step 3: Cross multiply
    11,380,141.76x = 15,706,454.07 × 8,459,356.79
  4. Step 4: Simplify right side
    11,380,141.76x = 132,866,498,805,345.38
  5. Step 5: Solve for x
    x = 132,866,498,805,345.38/11,380,141.76
  6. Step 6: Final answer
    x = 11,675,293.83

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1.5x scale

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.