Home / 20,548,395.04-30,798,720.24-7,760,763.04

Finding the Fourth Proportional to 20,548,395.04, 30,798,720.24 and 7,760,763.04

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Solution

The fourth proportional to 20,548,395.04, 30,798,720.24 and 7,760,763.04 is: 11,632,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548,395.04 : 30,798,720.24 = 7,760,763.04 : x
  2. Step 2: Convert to fraction form
    20,548,395.04/30,798,720.24 = 7,760,763.04/x
  3. Step 3: Cross multiply
    20,548,395.04x = 30,798,720.24 × 7,760,763.04
  4. Step 4: Simplify right side
    20,548,395.04x = 239,021,569,717,891.91
  5. Step 5: Solve for x
    x = 239,021,569,717,891.91/20,548,395.04
  6. Step 6: Final answer
    x = 11,632,128.41

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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.