Home / 7,979,239.44-11,970,040.32-2,930,156.28

Finding the Fourth Proportional to 7,979,239.44, 11,970,040.32 and 2,930,156.28

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Solution

The fourth proportional to 7,979,239.44, 11,970,040.32 and 2,930,156.28 is: 4,395,668.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979,239.44 : 11,970,040.32 = 2,930,156.28 : x
  2. Step 2: Convert to fraction form
    7,979,239.44/11,970,040.32 = 2,930,156.28/x
  3. Step 3: Cross multiply
    7,979,239.44x = 11,970,040.32 × 2,930,156.28
  4. Step 4: Simplify right side
    7,979,239.44x = 35,074,088,815,501.21
  5. Step 5: Solve for x
    x = 35,074,088,815,501.21/7,979,239.44
  6. Step 6: Final answer
    x = 4,395,668.17

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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.