Home / 13,286,524.76-19,929,787.40-3,189,145.76

Finding the Fourth Proportional to 13,286,524.76, 19,929,787.40 and 3,189,145.76

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Solution

The fourth proportional to 13,286,524.76, 19,929,787.40 and 3,189,145.76 is: 4,783,718.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,524.76 : 19,929,787.40 = 3,189,145.76 : x
  2. Step 2: Convert to fraction form
    13,286,524.76/19,929,787.40 = 3,189,145.76/x
  3. Step 3: Cross multiply
    13,286,524.76x = 19,929,787.40 × 3,189,145.76
  4. Step 4: Simplify right side
    13,286,524.76x = 63,558,997,063,317.32
  5. Step 5: Solve for x
    x = 63,558,997,063,317.32/13,286,524.76
  6. Step 6: Final answer
    x = 4,783,718.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.