Home / 31,865,380.88-47,797,998.36-13,657,769.96

Finding the Fourth Proportional to 31,865,380.88, 47,797,998.36 and 13,657,769.96

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Solution

The fourth proportional to 31,865,380.88, 47,797,998.36 and 13,657,769.96 is: 20,486,623.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,865,380.88 : 47,797,998.36 = 13,657,769.96 : x
  2. Step 2: Convert to fraction form
    31,865,380.88/47,797,998.36 = 13,657,769.96/x
  3. Step 3: Cross multiply
    31,865,380.88x = 47,797,998.36 × 13,657,769.96
  4. Step 4: Simplify right side
    31,865,380.88x = 652,814,065,910,347.25
  5. Step 5: Solve for x
    x = 652,814,065,910,347.25/31,865,380.88
  6. Step 6: Final answer
    x = 20,486,623.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.