Home / 31,758,575.80-47,637,863.70-19,665,340.60

Finding the Fourth Proportional to 31,758,575.80, 47,637,863.70 and 19,665,340.60

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Solution

The fourth proportional to 31,758,575.80, 47,637,863.70 and 19,665,340.60 is: 29,498,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,758,575.80 : 47,637,863.70 = 19,665,340.60 : x
  2. Step 2: Convert to fraction form
    31,758,575.80/47,637,863.70 = 19,665,340.60/x
  3. Step 3: Cross multiply
    31,758,575.80x = 47,637,863.70 × 19,665,340.60
  4. Step 4: Simplify right side
    31,758,575.80x = 936,814,815,116,876.38
  5. Step 5: Solve for x
    x = 936,814,815,116,876.38/31,758,575.80
  6. Step 6: Final answer
    x = 29,498,010.90

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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.