Home / 7,622,449.89-10,519,057.29-4,137,816.21

Finding the Fourth Proportional to 7,622,449.89, 10,519,057.29 and 4,137,816.21

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Solution

The fourth proportional to 7,622,449.89, 10,519,057.29 and 4,137,816.21 is: 5,710,227.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622,449.89 : 10,519,057.29 = 4,137,816.21 : x
  2. Step 2: Convert to fraction form
    7,622,449.89/10,519,057.29 = 4,137,816.21/x
  3. Step 3: Cross multiply
    7,622,449.89x = 10,519,057.29 × 4,137,816.21
  4. Step 4: Simplify right side
    7,622,449.89x = 43,525,925,768,480.66
  5. Step 5: Solve for x
    x = 43,525,925,768,480.66/7,622,449.89
  6. Step 6: Final answer
    x = 5,710,227.87

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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.