Home / 25,945,747.20-38,918,620.80-16,403,428.80

Finding the Fourth Proportional to 25,945,747.20, 38,918,620.80 and 16,403,428.80

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Solution

The fourth proportional to 25,945,747.20, 38,918,620.80 and 16,403,428.80 is: 24,605,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,945,747.20 : 38,918,620.80 = 16,403,428.80 : x
  2. Step 2: Convert to fraction form
    25,945,747.20/38,918,620.80 = 16,403,428.80/x
  3. Step 3: Cross multiply
    25,945,747.20x = 38,918,620.80 × 16,403,428.80
  4. Step 4: Simplify right side
    25,945,747.20x = 638,398,825,286,999
  5. Step 5: Solve for x
    x = 638,398,825,286,999/25,945,747.20
  6. Step 6: Final answer
    x = 24,605,143.20

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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.