Home / 20,571,710.10-30,857,565.15-17,237,361.30

Finding the Fourth Proportional to 20,571,710.10, 30,857,565.15 and 17,237,361.30

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Solution

The fourth proportional to 20,571,710.10, 30,857,565.15 and 17,237,361.30 is: 25,856,041.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,571,710.10 : 30,857,565.15 = 17,237,361.30 : x
  2. Step 2: Convert to fraction form
    20,571,710.10/30,857,565.15 = 17,237,361.30/x
  3. Step 3: Cross multiply
    20,571,710.10x = 30,857,565.15 × 17,237,361.30
  4. Step 4: Simplify right side
    20,571,710.10x = 531,902,999,328,838.69
  5. Step 5: Solve for x
    x = 531,902,999,328,838.69/20,571,710.10
  6. Step 6: Final answer
    x = 25,856,041.95

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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.