Home / 8,521,515.20-12,789,530.40-3,476,446.40

Finding the Fourth Proportional to 8,521,515.20, 12,789,530.40 and 3,476,446.40

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Solution

The fourth proportional to 8,521,515.20, 12,789,530.40 and 3,476,446.40 is: 5,217,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521,515.20 : 12,789,530.40 = 3,476,446.40 : x
  2. Step 2: Convert to fraction form
    8,521,515.20/12,789,530.40 = 3,476,446.40/x
  3. Step 3: Cross multiply
    8,521,515.20x = 12,789,530.40 × 3,476,446.40
  4. Step 4: Simplify right side
    8,521,515.20x = 44,462,116,916,770.56
  5. Step 5: Solve for x
    x = 44,462,116,916,770.56/8,521,515.20
  6. Step 6: Final answer
    x = 5,217,630.42

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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.