Home / 20,828,532.33-31,244,851.89-7,179,881.87

Finding the Fourth Proportional to 20,828,532.33, 31,244,851.89 and 7,179,881.87

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Solution

The fourth proportional to 20,828,532.33, 31,244,851.89 and 7,179,881.87 is: 10,770,530.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,828,532.33 : 31,244,851.89 = 7,179,881.87 : x
  2. Step 2: Convert to fraction form
    20,828,532.33/31,244,851.89 = 7,179,881.87/x
  3. Step 3: Cross multiply
    20,828,532.33x = 31,244,851.89 × 7,179,881.87
  4. Step 4: Simplify right side
    20,828,532.33x = 224,334,345,459,622
  5. Step 5: Solve for x
    x = 224,334,345,459,622/20,828,532.33
  6. Step 6: Final answer
    x = 10,770,530.63

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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.