Home / 7,378,087.31-10,181,778.54-4,115,113.42

Finding the Fourth Proportional to 7,378,087.31, 10,181,778.54 and 4,115,113.42

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Solution

The fourth proportional to 7,378,087.31, 10,181,778.54 and 4,115,113.42 is: 5,678,866.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378,087.31 : 10,181,778.54 = 4,115,113.42 : x
  2. Step 2: Convert to fraction form
    7,378,087.31/10,181,778.54 = 4,115,113.42/x
  3. Step 3: Cross multiply
    7,378,087.31x = 10,181,778.54 × 4,115,113.42
  4. Step 4: Simplify right side
    7,378,087.31x = 41,899,173,509,422
  5. Step 5: Solve for x
    x = 41,899,173,509,422/7,378,087.31
  6. Step 6: Final answer
    x = 5,678,866.59

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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.