Home / 20,440,534.32-30,597,028.56-15,055,265.52

Finding the Fourth Proportional to 20,440,534.32, 30,597,028.56 and 15,055,265.52

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Solution

The fourth proportional to 20,440,534.32, 30,597,028.56 and 15,055,265.52 is: 22,535,926.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,440,534.32 : 30,597,028.56 = 15,055,265.52 : x
  2. Step 2: Convert to fraction form
    20,440,534.32/30,597,028.56 = 15,055,265.52/x
  3. Step 3: Cross multiply
    20,440,534.32x = 30,597,028.56 × 15,055,265.52
  4. Step 4: Simplify right side
    20,440,534.32x = 460,646,389,093,823.19
  5. Step 5: Solve for x
    x = 460,646,389,093,823.19/20,440,534.32
  6. Step 6: Final answer
    x = 22,535,926.99

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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.