Home / 12,555,693.82-17,332,122.63-8,486,824.06

Finding the Fourth Proportional to 12,555,693.82, 17,332,122.63 and 8,486,824.06

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Solution

The fourth proportional to 12,555,693.82, 17,332,122.63 and 8,486,824.06 is: 11,715,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555,693.82 : 17,332,122.63 = 8,486,824.06 : x
  2. Step 2: Convert to fraction form
    12,555,693.82/17,332,122.63 = 8,486,824.06/x
  3. Step 3: Cross multiply
    12,555,693.82x = 17,332,122.63 × 8,486,824.06
  4. Step 4: Simplify right side
    12,555,693.82x = 147,094,675,347,154.47
  5. Step 5: Solve for x
    x = 147,094,675,347,154.47/12,555,693.82
  6. Step 6: Final answer
    x = 11,715,376.10

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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.