Home / 5,138,326.33-7,686,188.11-3,914,643.94

Finding the Fourth Proportional to 5,138,326.33, 7,686,188.11 and 3,914,643.94

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Solution

The fourth proportional to 5,138,326.33, 7,686,188.11 and 3,914,643.94 is: 5,855,737.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,326.33 : 7,686,188.11 = 3,914,643.94 : x
  2. Step 2: Convert to fraction form
    5,138,326.33/7,686,188.11 = 3,914,643.94/x
  3. Step 3: Cross multiply
    5,138,326.33x = 7,686,188.11 × 3,914,643.94
  4. Step 4: Simplify right side
    5,138,326.33x = 30,088,689,692,189.39
  5. Step 5: Solve for x
    x = 30,088,689,692,189.39/5,138,326.33
  6. Step 6: Final answer
    x = 5,855,737.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.