Home / 7,428,720.70-11,136,601.05-2,882,871.10

Finding the Fourth Proportional to 7,428,720.70, 11,136,601.05 and 2,882,871.10

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Solution

The fourth proportional to 7,428,720.70, 11,136,601.05 and 2,882,871.10 is: 4,321,791.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428,720.70 : 11,136,601.05 = 2,882,871.10 : x
  2. Step 2: Convert to fraction form
    7,428,720.70/11,136,601.05 = 2,882,871.10/x
  3. Step 3: Cross multiply
    7,428,720.70x = 11,136,601.05 × 2,882,871.10
  4. Step 4: Simplify right side
    7,428,720.70x = 32,105,385,319,274.66
  5. Step 5: Solve for x
    x = 32,105,385,319,274.66/7,428,720.70
  6. Step 6: Final answer
    x = 4,321,791.95

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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.