Home / 28,816,498.28-39,766,648.74-15,585,689.97

Finding the Fourth Proportional to 28,816,498.28, 39,766,648.74 and 15,585,689.97

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Solution

The fourth proportional to 28,816,498.28, 39,766,648.74 and 15,585,689.97 is: 21,508,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816,498.28 : 39,766,648.74 = 15,585,689.97 : x
  2. Step 2: Convert to fraction form
    28,816,498.28/39,766,648.74 = 15,585,689.97/x
  3. Step 3: Cross multiply
    28,816,498.28x = 39,766,648.74 × 15,585,689.97
  4. Step 4: Simplify right side
    28,816,498.28x = 619,790,658,423,647.25
  5. Step 5: Solve for x
    x = 619,790,658,423,647.25/28,816,498.28
  6. Step 6: Final answer
    x = 21,508,187.86

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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.