Home / 7,987,760.65-11,969,447.68-4,742,908.30

Finding the Fourth Proportional to 7,987,760.65, 11,969,447.68 and 4,742,908.30

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Solution

The fourth proportional to 7,987,760.65, 11,969,447.68 and 4,742,908.30 is: 7,107,122.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,987,760.65 : 11,969,447.68 = 4,742,908.30 : x
  2. Step 2: Convert to fraction form
    7,987,760.65/11,969,447.68 = 4,742,908.30/x
  3. Step 3: Cross multiply
    7,987,760.65x = 11,969,447.68 × 4,742,908.30
  4. Step 4: Simplify right side
    7,987,760.65x = 56,769,992,747,887.74
  5. Step 5: Solve for x
    x = 56,769,992,747,887.74/7,987,760.65
  6. Step 6: Final answer
    x = 7,107,122.41

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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.