Home / 28,654,536.80-42,981,805.20-25,519,253.60

Finding the Fourth Proportional to 28,654,536.80, 42,981,805.20 and 25,519,253.60

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Solution

The fourth proportional to 28,654,536.80, 42,981,805.20 and 25,519,253.60 is: 38,278,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,654,536.80 : 42,981,805.20 = 25,519,253.60 : x
  2. Step 2: Convert to fraction form
    28,654,536.80/42,981,805.20 = 25,519,253.60/x
  3. Step 3: Cross multiply
    28,654,536.80x = 42,981,805.20 × 25,519,253.60
  4. Step 4: Simplify right side
    28,654,536.80x = 1,096,863,587,084,598.88
  5. Step 5: Solve for x
    x = 1,096,863,587,084,598.88/28,654,536.80
  6. Step 6: Final answer
    x = 38,278,880.40

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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.