Home / 8,678,590.89-13,019,706.90-3,287,121.94

Finding the Fourth Proportional to 8,678,590.89, 13,019,706.90 and 3,287,121.94

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Solution

The fourth proportional to 8,678,590.89, 13,019,706.90 and 3,287,121.94 is: 4,931,372.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,590.89 : 13,019,706.90 = 3,287,121.94 : x
  2. Step 2: Convert to fraction form
    8,678,590.89/13,019,706.90 = 3,287,121.94/x
  3. Step 3: Cross multiply
    8,678,590.89x = 13,019,706.90 × 3,287,121.94
  4. Step 4: Simplify right side
    8,678,590.89x = 42,797,364,203,359.38
  5. Step 5: Solve for x
    x = 42,797,364,203,359.38/8,678,590.89
  6. Step 6: Final answer
    x = 4,931,372.47

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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.