Home / 12,108,379.20-18,169,567.20-4,536,110.40

Finding the Fourth Proportional to 12,108,379.20, 18,169,567.20 and 4,536,110.40

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Solution

The fourth proportional to 12,108,379.20, 18,169,567.20 and 4,536,110.40 is: 6,806,787.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,379.20 : 18,169,567.20 = 4,536,110.40 : x
  2. Step 2: Convert to fraction form
    12,108,379.20/18,169,567.20 = 4,536,110.40/x
  3. Step 3: Cross multiply
    12,108,379.20x = 18,169,567.20 × 4,536,110.40
  4. Step 4: Simplify right side
    12,108,379.20x = 82,419,162,739,418.89
  5. Step 5: Solve for x
    x = 82,419,162,739,418.89/12,108,379.20
  6. Step 6: Final answer
    x = 6,806,787.38

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1.5x scale

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.