Home / 13,392,945.70-18,486,198.47-8,747,440.92

Finding the Fourth Proportional to 13,392,945.70, 18,486,198.47 and 8,747,440.92

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Solution

The fourth proportional to 13,392,945.70, 18,486,198.47 and 8,747,440.92 is: 12,074,037.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392,945.70 : 18,486,198.47 = 8,747,440.92 : x
  2. Step 2: Convert to fraction form
    13,392,945.70/18,486,198.47 = 8,747,440.92/x
  3. Step 3: Cross multiply
    13,392,945.70x = 18,486,198.47 × 8,747,440.92
  4. Step 4: Simplify right side
    13,392,945.70x = 161,706,928,973,588
  5. Step 5: Solve for x
    x = 161,706,928,973,588/13,392,945.70
  6. Step 6: Final answer
    x = 12,074,037.53

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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.