Home / 31,272,256.37-43,157,306.61-18,036,511.14

Finding the Fourth Proportional to 31,272,256.37, 43,157,306.61 and 18,036,511.14

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Solution

The fourth proportional to 31,272,256.37, 43,157,306.61 and 18,036,511.14 is: 24,891,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,272,256.37 : 43,157,306.61 = 18,036,511.14 : x
  2. Step 2: Convert to fraction form
    31,272,256.37/43,157,306.61 = 18,036,511.14/x
  3. Step 3: Cross multiply
    31,272,256.37x = 43,157,306.61 × 18,036,511.14
  4. Step 4: Simplify right side
    31,272,256.37x = 778,407,241,443,660.62
  5. Step 5: Solve for x
    x = 778,407,241,443,660.62/31,272,256.37
  6. Step 6: Final answer
    x = 24,891,304.05

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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.