Home / 28,073,400.80-42,110,101.20-17,161,145.60

Finding the Fourth Proportional to 28,073,400.80, 42,110,101.20 and 17,161,145.60

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Solution

The fourth proportional to 28,073,400.80, 42,110,101.20 and 17,161,145.60 is: 25,741,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,073,400.80 : 42,110,101.20 = 17,161,145.60 : x
  2. Step 2: Convert to fraction form
    28,073,400.80/42,110,101.20 = 17,161,145.60/x
  3. Step 3: Cross multiply
    28,073,400.80x = 42,110,101.20 × 17,161,145.60
  4. Step 4: Simplify right side
    28,073,400.80x = 722,657,577,923,934.88
  5. Step 5: Solve for x
    x = 722,657,577,923,934.88/28,073,400.80
  6. Step 6: Final answer
    x = 25,741,718.40

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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.