Home / 6,418,767.32-8,857,880.62-3,518,149.22

Finding the Fourth Proportional to 6,418,767.32, 8,857,880.62 and 3,518,149.22

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Solution

The fourth proportional to 6,418,767.32, 8,857,880.62 and 3,518,149.22 is: 4,855,035.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418,767.32 : 8,857,880.62 = 3,518,149.22 : x
  2. Step 2: Convert to fraction form
    6,418,767.32/8,857,880.62 = 3,518,149.22/x
  3. Step 3: Cross multiply
    6,418,767.32x = 8,857,880.62 × 3,518,149.22
  4. Step 4: Simplify right side
    6,418,767.32x = 31,163,345,794,106.12
  5. Step 5: Solve for x
    x = 31,163,345,794,106.12/6,418,767.32
  6. Step 6: Final answer
    x = 4,855,035.90

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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.