Home / 20,319,357.68-28,040,787.02-11,026,925.73

Finding the Fourth Proportional to 20,319,357.68, 28,040,787.02 and 11,026,925.73

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Solution

The fourth proportional to 20,319,357.68, 28,040,787.02 and 11,026,925.73 is: 15,217,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,319,357.68 : 28,040,787.02 = 11,026,925.73 : x
  2. Step 2: Convert to fraction form
    20,319,357.68/28,040,787.02 = 11,026,925.73/x
  3. Step 3: Cross multiply
    20,319,357.68x = 28,040,787.02 × 11,026,925.73
  4. Step 4: Simplify right side
    20,319,357.68x = 309,203,675,825,153.44
  5. Step 5: Solve for x
    x = 309,203,675,825,153.44/20,319,357.68
  6. Step 6: Final answer
    x = 15,217,197.35

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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.