Home / 21,550,279.61-29,740,016.36-11,761,351.65

Finding the Fourth Proportional to 21,550,279.61, 29,740,016.36 and 11,761,351.65

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Solution

The fourth proportional to 21,550,279.61, 29,740,016.36 and 11,761,351.65 is: 16,231,009.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550,279.61 : 29,740,016.36 = 11,761,351.65 : x
  2. Step 2: Convert to fraction form
    21,550,279.61/29,740,016.36 = 11,761,351.65/x
  3. Step 3: Cross multiply
    21,550,279.61x = 29,740,016.36 × 11,761,351.65
  4. Step 4: Simplify right side
    21,550,279.61x = 349,782,790,486,713
  5. Step 5: Solve for x
    x = 349,782,790,486,713/21,550,279.61
  6. Step 6: Final answer
    x = 16,231,009.38

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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.