Home / 20,811,521.43-31,228,046.01-15,101,333.28

Finding the Fourth Proportional to 20,811,521.43, 31,228,046.01 and 15,101,333.28

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Solution

The fourth proportional to 20,811,521.43, 31,228,046.01 and 15,101,333.28 is: 22,659,810.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,811,521.43 : 31,228,046.01 = 15,101,333.28 : x
  2. Step 2: Convert to fraction form
    20,811,521.43/31,228,046.01 = 15,101,333.28/x
  3. Step 3: Cross multiply
    20,811,521.43x = 31,228,046.01 × 15,101,333.28
  4. Step 4: Simplify right side
    20,811,521.43x = 471,585,130,480,184.19
  5. Step 5: Solve for x
    x = 471,585,130,480,184.19/20,811,521.43
  6. Step 6: Final answer
    x = 22,659,810.44

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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.