Home / 23,028,438.53-34,393,355.03-20,865,141.46

Finding the Fourth Proportional to 23,028,438.53, 34,393,355.03 and 20,865,141.46

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Solution

The fourth proportional to 23,028,438.53, 34,393,355.03 and 20,865,141.46 is: 31,162,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,028,438.53 : 34,393,355.03 = 20,865,141.46 : x
  2. Step 2: Convert to fraction form
    23,028,438.53/34,393,355.03 = 20,865,141.46/x
  3. Step 3: Cross multiply
    23,028,438.53x = 34,393,355.03 × 20,865,141.46
  4. Step 4: Simplify right side
    23,028,438.53x = 717,622,218,080,107
  5. Step 5: Solve for x
    x = 717,622,218,080,107/23,028,438.53
  6. Step 6: Final answer
    x = 31,162,434.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.