Home / 36,726,801.60-55,132,630.20-19,720,689.60

Finding the Fourth Proportional to 36,726,801.60, 55,132,630.20 and 19,720,689.60

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Solution

The fourth proportional to 36,726,801.60, 55,132,630.20 and 19,720,689.60 is: 29,603,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,726,801.60 : 55,132,630.20 = 19,720,689.60 : x
  2. Step 2: Convert to fraction form
    36,726,801.60/55,132,630.20 = 19,720,689.60/x
  3. Step 3: Cross multiply
    36,726,801.60x = 55,132,630.20 × 19,720,689.60
  4. Step 4: Simplify right side
    36,726,801.60x = 1,087,253,487,005,786
  5. Step 5: Solve for x
    x = 1,087,253,487,005,786/36,726,801.60
  6. Step 6: Final answer
    x = 29,603,816.28

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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.