Home / 18,750,690.45-28,266,575.96-17,500,766.18

Finding the Fourth Proportional to 18,750,690.45, 28,266,575.96 and 17,500,766.18

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Solution

The fourth proportional to 18,750,690.45, 28,266,575.96 and 17,500,766.18 is: 26,382,321.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750,690.45 : 28,266,575.96 = 17,500,766.18 : x
  2. Step 2: Convert to fraction form
    18,750,690.45/28,266,575.96 = 17,500,766.18/x
  3. Step 3: Cross multiply
    18,750,690.45x = 28,266,575.96 × 17,500,766.18
  4. Step 4: Simplify right side
    18,750,690.45x = 494,686,736,487,588.06
  5. Step 5: Solve for x
    x = 494,686,736,487,588.06/18,750,690.45
  6. Step 6: Final answer
    x = 26,382,321.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.