Home / 20,322,799.61-28,024,264.09-12,061,265.75

Finding the Fourth Proportional to 20,322,799.61, 28,024,264.09 and 12,061,265.75

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Solution

The fourth proportional to 20,322,799.61, 28,024,264.09 and 12,061,265.75 is: 16,631,965.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,322,799.61 : 28,024,264.09 = 12,061,265.75 : x
  2. Step 2: Convert to fraction form
    20,322,799.61/28,024,264.09 = 12,061,265.75/x
  3. Step 3: Cross multiply
    20,322,799.61x = 28,024,264.09 × 12,061,265.75
  4. Step 4: Simplify right side
    20,322,799.61x = 338,008,096,769,840.81
  5. Step 5: Solve for x
    x = 338,008,096,769,840.81/20,322,799.61
  6. Step 6: Final answer
    x = 16,631,965.24

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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.