Home / 28,816,498.23-39,766,648.64-15,585,689.92

Finding the Fourth Proportional to 28,816,498.23, 39,766,648.64 and 15,585,689.92

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Solution

The fourth proportional to 28,816,498.23, 39,766,648.64 and 15,585,689.92 is: 21,508,187.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816,498.23 : 39,766,648.64 = 15,585,689.92 : x
  2. Step 2: Convert to fraction form
    28,816,498.23/39,766,648.64 = 15,585,689.92/x
  3. Step 3: Cross multiply
    28,816,498.23x = 39,766,648.64 × 15,585,689.92
  4. Step 4: Simplify right side
    28,816,498.23x = 619,790,654,860,629.75
  5. Step 5: Solve for x
    x = 619,790,654,860,629.75/28,816,498.23
  6. Step 6: Final answer
    x = 21,508,187.77

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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.