Home / 12,084,013.80-18,126,020.70-11,611,621.80

Finding the Fourth Proportional to 12,084,013.80, 18,126,020.70 and 11,611,621.80

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Solution

The fourth proportional to 12,084,013.80, 18,126,020.70 and 11,611,621.80 is: 17,417,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084,013.80 : 18,126,020.70 = 11,611,621.80 : x
  2. Step 2: Convert to fraction form
    12,084,013.80/18,126,020.70 = 11,611,621.80/x
  3. Step 3: Cross multiply
    12,084,013.80x = 18,126,020.70 × 11,611,621.80
  4. Step 4: Simplify right side
    12,084,013.80x = 210,472,497,107,371.25
  5. Step 5: Solve for x
    x = 210,472,497,107,371.25/12,084,013.80
  6. Step 6: Final answer
    x = 17,417,432.70

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1.5x scale

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.