Home / 31,434,814.05-47,152,221.08-13,259,531.85

Finding the Fourth Proportional to 31,434,814.05, 47,152,221.08 and 13,259,531.85

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Solution

The fourth proportional to 31,434,814.05, 47,152,221.08 and 13,259,531.85 is: 19,889,297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,434,814.05 : 47,152,221.08 = 13,259,531.85 : x
  2. Step 2: Convert to fraction form
    31,434,814.05/47,152,221.08 = 13,259,531.85/x
  3. Step 3: Cross multiply
    31,434,814.05x = 47,152,221.08 × 13,259,531.85
  4. Step 4: Simplify right side
    31,434,814.05x = 625,216,377,142,203.75
  5. Step 5: Solve for x
    x = 625,216,377,142,203.75/31,434,814.05
  6. Step 6: Final answer
    x = 19,889,297.78

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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.