Home / 15,396,854.58-21,245,292.39-8,869,209.06

Finding the Fourth Proportional to 15,396,854.58, 21,245,292.39 and 8,869,209.06

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Solution

The fourth proportional to 15,396,854.58, 21,245,292.39 and 8,869,209.06 is: 12,238,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,396,854.58 : 21,245,292.39 = 8,869,209.06 : x
  2. Step 2: Convert to fraction form
    15,396,854.58/21,245,292.39 = 8,869,209.06/x
  3. Step 3: Cross multiply
    15,396,854.58x = 21,245,292.39 × 8,869,209.06
  4. Step 4: Simplify right side
    15,396,854.58x = 188,428,939,747,737.06
  5. Step 5: Solve for x
    x = 188,428,939,747,737.06/15,396,854.58
  6. Step 6: Final answer
    x = 12,238,145.06

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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.