Home / 6,945,480.72-10,418,614.76-2,153,851.20

Finding the Fourth Proportional to 6,945,480.72, 10,418,614.76 and 2,153,851.20

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Solution

The fourth proportional to 6,945,480.72, 10,418,614.76 and 2,153,851.20 is: 3,230,898.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945,480.72 : 10,418,614.76 = 2,153,851.20 : x
  2. Step 2: Convert to fraction form
    6,945,480.72/10,418,614.76 = 2,153,851.20/x
  3. Step 3: Cross multiply
    6,945,480.72x = 10,418,614.76 × 2,153,851.20
  4. Step 4: Simplify right side
    6,945,480.72x = 22,440,145,903,163.71
  5. Step 5: Solve for x
    x = 22,440,145,903,163.71/6,945,480.72
  6. Step 6: Final answer
    x = 3,230,898.88

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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.