Home / 12,947,601.60-19,428,400.80-5,760,244.80

Finding the Fourth Proportional to 12,947,601.60, 19,428,400.80 and 5,760,244.80

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Solution

The fourth proportional to 12,947,601.60, 19,428,400.80 and 5,760,244.80 is: 8,643,480.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947,601.60 : 19,428,400.80 = 5,760,244.80 : x
  2. Step 2: Convert to fraction form
    12,947,601.60/19,428,400.80 = 5,760,244.80/x
  3. Step 3: Cross multiply
    12,947,601.60x = 19,428,400.80 × 5,760,244.80
  4. Step 4: Simplify right side
    12,947,601.60x = 111,912,344,680,515.84
  5. Step 5: Solve for x
    x = 111,912,344,680,515.84/12,947,601.60
  6. Step 6: Final answer
    x = 8,643,480.71

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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.