Home / 20,236,204.12-27,927,570.44-12,897,331.96

Finding the Fourth Proportional to 20,236,204.12, 27,927,570.44 and 12,897,331.96

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Solution

The fourth proportional to 20,236,204.12, 27,927,570.44 and 12,897,331.96 is: 17,799,343.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236,204.12 : 27,927,570.44 = 12,897,331.96 : x
  2. Step 2: Convert to fraction form
    20,236,204.12/27,927,570.44 = 12,897,331.96/x
  3. Step 3: Cross multiply
    20,236,204.12x = 27,927,570.44 × 12,897,331.96
  4. Step 4: Simplify right side
    20,236,204.12x = 360,191,146,800,963.31
  5. Step 5: Solve for x
    x = 360,191,146,800,963.31/20,236,204.12
  6. Step 6: Final answer
    x = 17,799,343.43

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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.