Home / 7,777,217.43-10,729,566.65-4,871,549.79

Finding the Fourth Proportional to 7,777,217.43, 10,729,566.65 and 4,871,549.79

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Solution

The fourth proportional to 7,777,217.43, 10,729,566.65 and 4,871,549.79 is: 6,720,863.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,217.43 : 10,729,566.65 = 4,871,549.79 : x
  2. Step 2: Convert to fraction form
    7,777,217.43/10,729,566.65 = 4,871,549.79/x
  3. Step 3: Cross multiply
    7,777,217.43x = 10,729,566.65 × 4,871,549.79
  4. Step 4: Simplify right side
    7,777,217.43x = 52,269,618,172,777.38
  5. Step 5: Solve for x
    x = 52,269,618,172,777.38/7,777,217.43
  6. Step 6: Final answer
    x = 6,720,863.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.