Home / 7,130,202.80-9,840,937.66-4,231,192.20

Finding the Fourth Proportional to 7,130,202.80, 9,840,937.66 and 4,231,192.20

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Solution

The fourth proportional to 7,130,202.80, 9,840,937.66 and 4,231,192.20 is: 5,839,791.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,202.80 : 9,840,937.66 = 4,231,192.20 : x
  2. Step 2: Convert to fraction form
    7,130,202.80/9,840,937.66 = 4,231,192.20/x
  3. Step 3: Cross multiply
    7,130,202.80x = 9,840,937.66 × 4,231,192.20
  4. Step 4: Simplify right side
    7,130,202.80x = 41,638,898,667,678.26
  5. Step 5: Solve for x
    x = 41,638,898,667,678.26/7,130,202.80
  6. Step 6: Final answer
    x = 5,839,791.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.