Home / 10,995,000.70-16,495,957.05-5,315,410.30

Finding the Fourth Proportional to 10,995,000.70, 16,495,957.05 and 5,315,410.30

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Solution

The fourth proportional to 10,995,000.70, 16,495,957.05 and 5,315,410.30 is: 7,974,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995,000.70 : 16,495,957.05 = 5,315,410.30 : x
  2. Step 2: Convert to fraction form
    10,995,000.70/16,495,957.05 = 5,315,410.30/x
  3. Step 3: Cross multiply
    10,995,000.70x = 16,495,957.05 × 5,315,410.30
  4. Step 4: Simplify right side
    10,995,000.70x = 87,682,780,011,927.61
  5. Step 5: Solve for x
    x = 87,682,780,011,927.61/10,995,000.70
  6. Step 6: Final answer
    x = 7,974,786.21

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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.