Home / 20,446,384.75-28,216,091.54-11,154,153.44

Finding the Fourth Proportional to 20,446,384.75, 28,216,091.54 and 11,154,153.44

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Solution

The fourth proportional to 20,446,384.75, 28,216,091.54 and 11,154,153.44 is: 15,392,775.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446,384.75 : 28,216,091.54 = 11,154,153.44 : x
  2. Step 2: Convert to fraction form
    20,446,384.75/28,216,091.54 = 11,154,153.44/x
  3. Step 3: Cross multiply
    20,446,384.75x = 28,216,091.54 × 11,154,153.44
  4. Step 4: Simplify right side
    20,446,384.75x = 314,726,614,612,671.56
  5. Step 5: Solve for x
    x = 314,726,614,612,671.56/20,446,384.75
  6. Step 6: Final answer
    x = 15,392,775.72

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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.