Home / 28,546,040.38-39,389,036.05-16,626,815.61

Finding the Fourth Proportional to 28,546,040.38, 39,389,036.05 and 16,626,815.61

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Solution

The fourth proportional to 28,546,040.38, 39,389,036.05 and 16,626,815.61 is: 22,942,384.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,040.38 : 39,389,036.05 = 16,626,815.61 : x
  2. Step 2: Convert to fraction form
    28,546,040.38/39,389,036.05 = 16,626,815.61/x
  3. Step 3: Cross multiply
    28,546,040.38x = 39,389,036.05 × 16,626,815.61
  4. Step 4: Simplify right side
    28,546,040.38x = 654,914,239,466,229.38
  5. Step 5: Solve for x
    x = 654,914,239,466,229.38/28,546,040.38
  6. Step 6: Final answer
    x = 22,942,384.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.