Home / 7,238,494.12-10,859,231.78-2,121,090.48

Finding the Fourth Proportional to 7,238,494.12, 10,859,231.78 and 2,121,090.48

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Solution

The fourth proportional to 7,238,494.12, 10,859,231.78 and 2,121,090.48 is: 3,182,072.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238,494.12 : 10,859,231.78 = 2,121,090.48 : x
  2. Step 2: Convert to fraction form
    7,238,494.12/10,859,231.78 = 2,121,090.48/x
  3. Step 3: Cross multiply
    7,238,494.12x = 10,859,231.78 × 2,121,090.48
  4. Step 4: Simplify right side
    7,238,494.12x = 23,033,413,148,671.45
  5. Step 5: Solve for x
    x = 23,033,413,148,671.45/7,238,494.12
  6. Step 6: Final answer
    x = 3,182,072.51

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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.