Home / 12,151,371.75-16,760,991.72-7,793,555.55

Finding the Fourth Proportional to 12,151,371.75, 16,760,991.72 and 7,793,555.55

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Solution

The fourth proportional to 12,151,371.75, 16,760,991.72 and 7,793,555.55 is: 10,750,038.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151,371.75 : 16,760,991.72 = 7,793,555.55 : x
  2. Step 2: Convert to fraction form
    12,151,371.75/16,760,991.72 = 7,793,555.55/x
  3. Step 3: Cross multiply
    12,151,371.75x = 16,760,991.72 × 7,793,555.55
  4. Step 4: Simplify right side
    12,151,371.75x = 130,627,720,042,910.05
  5. Step 5: Solve for x
    x = 130,627,720,042,910.05/12,151,371.75
  6. Step 6: Final answer
    x = 10,750,038.99

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1.5x scale

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.