Home / 28,863,221.71-39,816,144.83-17,846,449.78

Finding the Fourth Proportional to 28,863,221.71, 39,816,144.83 and 17,846,449.78

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Solution

The fourth proportional to 28,863,221.71, 39,816,144.83 and 17,846,449.78 is: 24,618,763.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,863,221.71 : 39,816,144.83 = 17,846,449.78 : x
  2. Step 2: Convert to fraction form
    28,863,221.71/39,816,144.83 = 17,846,449.78/x
  3. Step 3: Cross multiply
    28,863,221.71x = 39,816,144.83 × 17,846,449.78
  4. Step 4: Simplify right side
    28,863,221.71x = 710,576,829,141,801.62
  5. Step 5: Solve for x
    x = 710,576,829,141,801.62/28,863,221.71
  6. Step 6: Final answer
    x = 24,618,763.50

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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.