Home / 18,750,683.69-28,266,565.77-17,500,759.43

Finding the Fourth Proportional to 18,750,683.69, 28,266,565.77 and 17,500,759.43

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Solution

The fourth proportional to 18,750,683.69, 28,266,565.77 and 17,500,759.43 is: 26,382,310.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750,683.69 : 28,266,565.77 = 17,500,759.43 : x
  2. Step 2: Convert to fraction form
    18,750,683.69/28,266,565.77 = 17,500,759.43/x
  3. Step 3: Cross multiply
    18,750,683.69x = 28,266,565.77 × 17,500,759.43
  4. Step 4: Simplify right side
    18,750,683.69x = 494,686,367,311,709.88
  5. Step 5: Solve for x
    x = 494,686,367,311,709.88/18,750,683.69
  6. Step 6: Final answer
    x = 26,382,310.94

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1.5x scale

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.