Home / 10,995,000.20-16,495,956.30-5,315,409.80

Finding the Fourth Proportional to 10,995,000.20, 16,495,956.30 and 5,315,409.80

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Solution

The fourth proportional to 10,995,000.20, 16,495,956.30 and 5,315,409.80 is: 7,974,785.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995,000.20 : 16,495,956.30 = 5,315,409.80 : x
  2. Step 2: Convert to fraction form
    10,995,000.20/16,495,956.30 = 5,315,409.80/x
  3. Step 3: Cross multiply
    10,995,000.20x = 16,495,956.30 × 5,315,409.80
  4. Step 4: Simplify right side
    10,995,000.20x = 87,682,767,777,391.73
  5. Step 5: Solve for x
    x = 87,682,767,777,391.73/10,995,000.20
  6. Step 6: Final answer
    x = 7,974,785.46

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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.