Home / 7,984,150.17-11,985,177.74-3,195,177.45

Finding the Fourth Proportional to 7,984,150.17, 11,985,177.74 and 3,195,177.45

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Solution

The fourth proportional to 7,984,150.17, 11,985,177.74 and 3,195,177.45 is: 4,796,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984,150.17 : 11,985,177.74 = 3,195,177.45 : x
  2. Step 2: Convert to fraction form
    7,984,150.17/11,985,177.74 = 3,195,177.45/x
  3. Step 3: Cross multiply
    7,984,150.17x = 11,985,177.74 × 3,195,177.45
  4. Step 4: Simplify right side
    7,984,150.17x = 38,294,769,649,089.97
  5. Step 5: Solve for x
    x = 38,294,769,649,089.97/7,984,150.17
  6. Step 6: Final answer
    x = 4,796,348.87

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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.