Home / 9,981,908.60-13,775,075.39-5,398,229.98

Finding the Fourth Proportional to 9,981,908.60, 13,775,075.39 and 5,398,229.98

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Solution

The fourth proportional to 9,981,908.60, 13,775,075.39 and 5,398,229.98 is: 7,449,579.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981,908.60 : 13,775,075.39 = 5,398,229.98 : x
  2. Step 2: Convert to fraction form
    9,981,908.60/13,775,075.39 = 5,398,229.98/x
  3. Step 3: Cross multiply
    9,981,908.60x = 13,775,075.39 × 5,398,229.98
  4. Step 4: Simplify right side
    9,981,908.60x = 74,361,024,851,191.66
  5. Step 5: Solve for x
    x = 74,361,024,851,191.66/9,981,908.60
  6. Step 6: Final answer
    x = 7,449,579.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.