Home / 7,241,577.69-9,993,553.38-3,978,603.75

Finding the Fourth Proportional to 7,241,577.69, 9,993,553.38 and 3,978,603.75

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Solution

The fourth proportional to 7,241,577.69, 9,993,553.38 and 3,978,603.75 is: 5,490,569.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241,577.69 : 9,993,553.38 = 3,978,603.75 : x
  2. Step 2: Convert to fraction form
    7,241,577.69/9,993,553.38 = 3,978,603.75/x
  3. Step 3: Cross multiply
    7,241,577.69x = 9,993,553.38 × 3,978,603.75
  4. Step 4: Simplify right side
    7,241,577.69x = 39,760,388,953,493.18
  5. Step 5: Solve for x
    x = 39,760,388,953,493.18/7,241,577.69
  6. Step 6: Final answer
    x = 5,490,569.96

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1.5x scale

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.