Home / 22,555,987.56-31,126,429.44-12,242,489.28

Finding the Fourth Proportional to 22,555,987.56, 31,126,429.44 and 12,242,489.28

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Solution

The fourth proportional to 22,555,987.56, 31,126,429.44 and 12,242,489.28 is: 16,894,182.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,555,987.56 : 31,126,429.44 = 12,242,489.28 : x
  2. Step 2: Convert to fraction form
    22,555,987.56/31,126,429.44 = 12,242,489.28/x
  3. Step 3: Cross multiply
    22,555,987.56x = 31,126,429.44 × 12,242,489.28
  4. Step 4: Simplify right side
    22,555,987.56x = 381,064,978,743,876.38
  5. Step 5: Solve for x
    x = 381,064,978,743,876.38/22,555,987.56
  6. Step 6: Final answer
    x = 16,894,182.87

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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.