Home / 12,529,615.80-18,752,433.30-11,017,961.40

Finding the Fourth Proportional to 12,529,615.80, 18,752,433.30 and 11,017,961.40

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Solution

The fourth proportional to 12,529,615.80, 18,752,433.30 and 11,017,961.40 is: 16,490,017.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529,615.80 : 18,752,433.30 = 11,017,961.40 : x
  2. Step 2: Convert to fraction form
    12,529,615.80/18,752,433.30 = 11,017,961.40/x
  3. Step 3: Cross multiply
    12,529,615.80x = 18,752,433.30 × 11,017,961.40
  4. Step 4: Simplify right side
    12,529,615.80x = 206,613,586,255,474.62
  5. Step 5: Solve for x
    x = 206,613,586,255,474.62/12,529,615.80
  6. Step 6: Final answer
    x = 16,490,017.70

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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.