Home / 23,028,439.53-34,393,356.53-20,865,142.46

Finding the Fourth Proportional to 23,028,439.53, 34,393,356.53 and 20,865,142.46

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Solution

The fourth proportional to 23,028,439.53, 34,393,356.53 and 20,865,142.46 is: 31,162,436.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,028,439.53 : 34,393,356.53 = 20,865,142.46 : x
  2. Step 2: Convert to fraction form
    23,028,439.53/34,393,356.53 = 20,865,142.46/x
  3. Step 3: Cross multiply
    23,028,439.53x = 34,393,356.53 × 20,865,142.46
  4. Step 4: Simplify right side
    23,028,439.53x = 717,622,283,676,021.38
  5. Step 5: Solve for x
    x = 717,622,283,676,021.38/23,028,439.53
  6. Step 6: Final answer
    x = 31,162,436.46

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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.