Home / 20,215,498.57-30,326,383.04-8,543,919.14

Finding the Fourth Proportional to 20,215,498.57, 30,326,383.04 and 8,543,919.14

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Solution

The fourth proportional to 20,215,498.57, 30,326,383.04 and 8,543,919.14 is: 12,817,203.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,215,498.57 : 30,326,383.04 = 8,543,919.14 : x
  2. Step 2: Convert to fraction form
    20,215,498.57/30,326,383.04 = 8,543,919.14/x
  3. Step 3: Cross multiply
    20,215,498.57x = 30,326,383.04 × 8,543,919.14
  4. Step 4: Simplify right side
    20,215,498.57x = 259,106,164,502,427.41
  5. Step 5: Solve for x
    x = 259,106,164,502,427.41/20,215,498.57
  6. Step 6: Final answer
    x = 12,817,203.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.