Home / 15,862,799.25-21,890,794.19-8,619,455.25

Finding the Fourth Proportional to 15,862,799.25, 21,890,794.19 and 8,619,455.25

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Solution

The fourth proportional to 15,862,799.25, 21,890,794.19 and 8,619,455.25 is: 11,894,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,862,799.25 : 21,890,794.19 = 8,619,455.25 : x
  2. Step 2: Convert to fraction form
    15,862,799.25/21,890,794.19 = 8,619,455.25/x
  3. Step 3: Cross multiply
    15,862,799.25x = 21,890,794.19 × 8,619,455.25
  4. Step 4: Simplify right side
    15,862,799.25x = 188,686,720,864,567.72
  5. Step 5: Solve for x
    x = 188,686,720,864,567.72/15,862,799.25
  6. Step 6: Final answer
    x = 11,894,919.55

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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.