Home / 9,982,161.72-13,772,033.28-8,143,441.44

Finding the Fourth Proportional to 9,982,161.72, 13,772,033.28 and 8,143,441.44

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Solution

The fourth proportional to 9,982,161.72, 13,772,033.28 and 8,143,441.44 is: 11,235,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982,161.72 : 13,772,033.28 = 8,143,441.44 : x
  2. Step 2: Convert to fraction form
    9,982,161.72/13,772,033.28 = 8,143,441.44/x
  3. Step 3: Cross multiply
    9,982,161.72x = 13,772,033.28 × 8,143,441.44
  4. Step 4: Simplify right side
    9,982,161.72x = 112,151,746,525,411.12
  5. Step 5: Solve for x
    x = 112,151,746,525,411.12/9,982,161.72
  6. Step 6: Final answer
    x = 11,235,216.35

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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.