Home / 12,595,381.30-18,894,605.55-4,509,205.30

Finding the Fourth Proportional to 12,595,381.30, 18,894,605.55 and 4,509,205.30

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Solution

The fourth proportional to 12,595,381.30, 18,894,605.55 and 4,509,205.30 is: 6,764,356.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,595,381.30 : 18,894,605.55 = 4,509,205.30 : x
  2. Step 2: Convert to fraction form
    12,595,381.30/18,894,605.55 = 4,509,205.30/x
  3. Step 3: Cross multiply
    12,595,381.30x = 18,894,605.55 × 4,509,205.30
  4. Step 4: Simplify right side
    12,595,381.30x = 85,199,655,487,469.42
  5. Step 5: Solve for x
    x = 85,199,655,487,469.42/12,595,381.30
  6. Step 6: Final answer
    x = 6,764,356.99

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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.