Home / 26,752,108.80-40,128,163.20-19,939,641.60

Finding the Fourth Proportional to 26,752,108.80, 40,128,163.20 and 19,939,641.60

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Solution

The fourth proportional to 26,752,108.80, 40,128,163.20 and 19,939,641.60 is: 29,909,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,752,108.80 : 40,128,163.20 = 19,939,641.60 : x
  2. Step 2: Convert to fraction form
    26,752,108.80/40,128,163.20 = 19,939,641.60/x
  3. Step 3: Cross multiply
    26,752,108.80x = 40,128,163.20 × 19,939,641.60
  4. Step 4: Simplify right side
    26,752,108.80x = 800,141,192,274,309.25
  5. Step 5: Solve for x
    x = 800,141,192,274,309.25/26,752,108.80
  6. Step 6: Final answer
    x = 29,909,462.40

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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.