Home / 18,680,345.44-25,777,765.26-10,839,250.60

Finding the Fourth Proportional to 18,680,345.44, 25,777,765.26 and 10,839,250.60

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Solution

The fourth proportional to 18,680,345.44, 25,777,765.26 and 10,839,250.60 is: 14,957,520.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,680,345.44 : 25,777,765.26 = 10,839,250.60 : x
  2. Step 2: Convert to fraction form
    18,680,345.44/25,777,765.26 = 10,839,250.60/x
  3. Step 3: Cross multiply
    18,680,345.44x = 25,777,765.26 × 10,839,250.60
  4. Step 4: Simplify right side
    18,680,345.44x = 279,411,657,561,114.16
  5. Step 5: Solve for x
    x = 279,411,657,561,114.16/18,680,345.44
  6. Step 6: Final answer
    x = 14,957,520.91

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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.