Home / 31,548,439.67-43,544,110.86-18,499,902.35

Finding the Fourth Proportional to 31,548,439.67, 43,544,110.86 and 18,499,902.35

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Solution

The fourth proportional to 31,548,439.67, 43,544,110.86 and 18,499,902.35 is: 25,534,124.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,548,439.67 : 43,544,110.86 = 18,499,902.35 : x
  2. Step 2: Convert to fraction form
    31,548,439.67/43,544,110.86 = 18,499,902.35/x
  3. Step 3: Cross multiply
    31,548,439.67x = 43,544,110.86 × 18,499,902.35
  4. Step 4: Simplify right side
    31,548,439.67x = 805,561,798,609,853.88
  5. Step 5: Solve for x
    x = 805,561,798,609,853.88/31,548,439.67
  6. Step 6: Final answer
    x = 25,534,124.89

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1.5x scale

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.