Home / 15,322,193.52-21,144,691.08-8,446,524.72

Finding the Fourth Proportional to 15,322,193.52, 21,144,691.08 and 8,446,524.72

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Solution

The fourth proportional to 15,322,193.52, 21,144,691.08 and 8,446,524.72 is: 11,656,239.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322,193.52 : 21,144,691.08 = 8,446,524.72 : x
  2. Step 2: Convert to fraction form
    15,322,193.52/21,144,691.08 = 8,446,524.72/x
  3. Step 3: Cross multiply
    15,322,193.52x = 21,144,691.08 × 8,446,524.72
  4. Step 4: Simplify right side
    15,322,193.52x = 178,599,155,903,983.50
  5. Step 5: Solve for x
    x = 178,599,155,903,983.50/15,322,193.52
  6. Step 6: Final answer
    x = 11,656,239.41

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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.