Home / 10,755,846.40-16,130,659.20-3,931,628.80

Finding the Fourth Proportional to 10,755,846.40, 16,130,659.20 and 3,931,628.80

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Solution

The fourth proportional to 10,755,846.40, 16,130,659.20 and 3,931,628.80 is: 5,896,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,755,846.40 : 16,130,659.20 = 3,931,628.80 : x
  2. Step 2: Convert to fraction form
    10,755,846.40/16,130,659.20 = 3,931,628.80/x
  3. Step 3: Cross multiply
    10,755,846.40x = 16,130,659.20 × 3,931,628.80
  4. Step 4: Simplify right side
    10,755,846.40x = 63,419,764,273,704.95
  5. Step 5: Solve for x
    x = 63,419,764,273,704.95/10,755,846.40
  6. Step 6: Final answer
    x = 5,896,306.24

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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.