Home / 20,671,856.57-28,527,524.88-11,252,918.42

Finding the Fourth Proportional to 20,671,856.57, 28,527,524.88 and 11,252,918.42

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Solution

The fourth proportional to 20,671,856.57, 28,527,524.88 and 11,252,918.42 is: 15,529,224.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,671,856.57 : 28,527,524.88 = 11,252,918.42 : x
  2. Step 2: Convert to fraction form
    20,671,856.57/28,527,524.88 = 11,252,918.42/x
  3. Step 3: Cross multiply
    20,671,856.57x = 28,527,524.88 × 11,252,918.42
  4. Step 4: Simplify right side
    20,671,856.57x = 321,017,910,056,522.62
  5. Step 5: Solve for x
    x = 321,017,910,056,522.62/20,671,856.57
  6. Step 6: Final answer
    x = 15,529,224.92

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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.