Home / 9,872,647.78-13,624,175.49-5,521,730.66

Finding the Fourth Proportional to 9,872,647.78, 13,624,175.49 and 5,521,730.66

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Solution

The fourth proportional to 9,872,647.78, 13,624,175.49 and 5,521,730.66 is: 7,619,944.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872,647.78 : 13,624,175.49 = 5,521,730.66 : x
  2. Step 2: Convert to fraction form
    9,872,647.78/13,624,175.49 = 5,521,730.66/x
  3. Step 3: Cross multiply
    9,872,647.78x = 13,624,175.49 × 5,521,730.66
  4. Step 4: Simplify right side
    9,872,647.78x = 75,229,027,452,232.66
  5. Step 5: Solve for x
    x = 75,229,027,452,232.66/9,872,647.78
  6. Step 6: Final answer
    x = 7,619,944.43

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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.