Home / 12,490,440.66-17,231,529.06-8,361,801.54

Finding the Fourth Proportional to 12,490,440.66, 17,231,529.06 and 8,361,801.54

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Solution

The fourth proportional to 12,490,440.66, 17,231,529.06 and 8,361,801.54 is: 11,535,752.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490,440.66 : 17,231,529.06 = 8,361,801.54 : x
  2. Step 2: Convert to fraction form
    12,490,440.66/17,231,529.06 = 8,361,801.54/x
  3. Step 3: Cross multiply
    12,490,440.66x = 17,231,529.06 × 8,361,801.54
  4. Step 4: Simplify right side
    12,490,440.66x = 144,086,626,230,462.75
  5. Step 5: Solve for x
    x = 144,086,626,230,462.75/12,490,440.66
  6. Step 6: Final answer
    x = 11,535,752.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.