Home / 10,935,012.70-16,402,519.05-8,100,660.70

Finding the Fourth Proportional to 10,935,012.70, 16,402,519.05 and 8,100,660.70

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Solution

The fourth proportional to 10,935,012.70, 16,402,519.05 and 8,100,660.70 is: 12,150,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935,012.70 : 16,402,519.05 = 8,100,660.70 : x
  2. Step 2: Convert to fraction form
    10,935,012.70/16,402,519.05 = 8,100,660.70/x
  3. Step 3: Cross multiply
    10,935,012.70x = 16,402,519.05 × 8,100,660.70
  4. Step 4: Simplify right side
    10,935,012.70x = 132,871,241,449,336.34
  5. Step 5: Solve for x
    x = 132,871,241,449,336.34/10,935,012.70
  6. Step 6: Final answer
    x = 12,150,991.05

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Similar ratio
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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.