Home / 31,705,156.28-43,752,374.03-18,653,255.10

Finding the Fourth Proportional to 31,705,156.28, 43,752,374.03 and 18,653,255.10

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Solution

The fourth proportional to 31,705,156.28, 43,752,374.03 and 18,653,255.10 is: 25,741,055.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,705,156.28 : 43,752,374.03 = 18,653,255.10 : x
  2. Step 2: Convert to fraction form
    31,705,156.28/43,752,374.03 = 18,653,255.10/x
  3. Step 3: Cross multiply
    31,705,156.28x = 43,752,374.03 × 18,653,255.10
  4. Step 4: Simplify right side
    31,705,156.28x = 816,124,194,058,838.25
  5. Step 5: Solve for x
    x = 816,124,194,058,838.25/31,705,156.28
  6. Step 6: Final answer
    x = 25,741,055.71

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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.