Home / 11,411,290-17,117,931.30-2,891,626.78

Finding the Fourth Proportional to 11,411,290, 17,117,931.30 and 2,891,626.78

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Solution

The fourth proportional to 11,411,290, 17,117,931.30 and 2,891,626.78 is: 4,337,692.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,411,290 : 17,117,931.30 = 2,891,626.78 : x
  2. Step 2: Convert to fraction form
    11,411,290/17,117,931.30 = 2,891,626.78/x
  3. Step 3: Cross multiply
    11,411,290x = 17,117,931.30 × 2,891,626.78
  4. Step 4: Simplify right side
    11,411,290x = 49,498,668,479,690.55
  5. Step 5: Solve for x
    x = 49,498,668,479,690.55/11,411,290
  6. Step 6: Final answer
    x = 4,337,692.63

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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.