Home / 18,284,263.45-25,234,854.14-11,317,175.82

Finding the Fourth Proportional to 18,284,263.45, 25,234,854.14 and 11,317,175.82

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Solution

The fourth proportional to 18,284,263.45, 25,234,854.14 and 11,317,175.82 is: 15,619,293.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284,263.45 : 25,234,854.14 = 11,317,175.82 : x
  2. Step 2: Convert to fraction form
    18,284,263.45/25,234,854.14 = 11,317,175.82/x
  3. Step 3: Cross multiply
    18,284,263.45x = 25,234,854.14 × 11,317,175.82
  4. Step 4: Simplify right side
    18,284,263.45x = 285,587,281,122,727.81
  5. Step 5: Solve for x
    x = 285,587,281,122,727.81/18,284,263.45
  6. Step 6: Final answer
    x = 15,619,293.71

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Double scale
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1.5x scale

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.