Home / 7,239,131.70-9,987,571.16-4,098,967.01

Finding the Fourth Proportional to 7,239,131.70, 9,987,571.16 and 4,098,967.01

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Solution

The fourth proportional to 7,239,131.70, 9,987,571.16 and 4,098,967.01 is: 5,655,198.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,131.70 : 9,987,571.16 = 4,098,967.01 : x
  2. Step 2: Convert to fraction form
    7,239,131.70/9,987,571.16 = 4,098,967.01/x
  3. Step 3: Cross multiply
    7,239,131.70x = 9,987,571.16 × 4,098,967.01
  4. Step 4: Simplify right side
    7,239,131.70x = 40,938,724,624,434.73
  5. Step 5: Solve for x
    x = 40,938,724,624,434.73/7,239,131.70
  6. Step 6: Final answer
    x = 5,655,198.21

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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.