Home / 12,756,311.48-19,134,539.21-3,171,691.04

Finding the Fourth Proportional to 12,756,311.48, 19,134,539.21 and 3,171,691.04

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Solution

The fourth proportional to 12,756,311.48, 19,134,539.21 and 3,171,691.04 is: 4,757,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756,311.48 : 19,134,539.21 = 3,171,691.04 : x
  2. Step 2: Convert to fraction form
    12,756,311.48/19,134,539.21 = 3,171,691.04/x
  3. Step 3: Cross multiply
    12,756,311.48x = 19,134,539.21 × 3,171,691.04
  4. Step 4: Simplify right side
    12,756,311.48x = 60,688,846,479,142.21
  5. Step 5: Solve for x
    x = 60,688,846,479,142.21/12,756,311.48
  6. Step 6: Final answer
    x = 4,757,554.45

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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.