Home / 17,981,686.80-26,972,530.20-17,869,712.40

Finding the Fourth Proportional to 17,981,686.80, 26,972,530.20 and 17,869,712.40

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Solution

The fourth proportional to 17,981,686.80, 26,972,530.20 and 17,869,712.40 is: 26,804,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981,686.80 : 26,972,530.20 = 17,869,712.40 : x
  2. Step 2: Convert to fraction form
    17,981,686.80/26,972,530.20 = 17,869,712.40/x
  3. Step 3: Cross multiply
    17,981,686.80x = 26,972,530.20 × 17,869,712.40
  4. Step 4: Simplify right side
    17,981,686.80x = 481,991,357,374,314.44
  5. Step 5: Solve for x
    x = 481,991,357,374,314.44/17,981,686.80
  6. Step 6: Final answer
    x = 26,804,568.60

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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.