Home / 7,130,185.45-9,840,913.66-4,231,174.79

Finding the Fourth Proportional to 7,130,185.45, 9,840,913.66 and 4,231,174.79

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Solution

The fourth proportional to 7,130,185.45, 9,840,913.66 and 4,231,174.79 is: 5,839,767.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,185.45 : 9,840,913.66 = 4,231,174.79 : x
  2. Step 2: Convert to fraction form
    7,130,185.45/9,840,913.66 = 4,231,174.79/x
  3. Step 3: Cross multiply
    7,130,185.45x = 9,840,913.66 × 4,231,174.79
  4. Step 4: Simplify right side
    7,130,185.45x = 41,638,625,818,649.89
  5. Step 5: Solve for x
    x = 41,638,625,818,649.89/7,130,185.45
  6. Step 6: Final answer
    x = 5,839,767.58

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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.