Home / 8,143,880.29-12,217,322.18-2,679,282.79

Finding the Fourth Proportional to 8,143,880.29, 12,217,322.18 and 2,679,282.79

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Solution

The fourth proportional to 8,143,880.29, 12,217,322.18 and 2,679,282.79 is: 4,019,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,880.29 : 12,217,322.18 = 2,679,282.79 : x
  2. Step 2: Convert to fraction form
    8,143,880.29/12,217,322.18 = 2,679,282.79/x
  3. Step 3: Cross multiply
    8,143,880.29x = 12,217,322.18 × 2,679,282.79
  4. Step 4: Simplify right side
    8,143,880.29x = 32,733,661,032,914.18
  5. Step 5: Solve for x
    x = 32,733,661,032,914.18/8,143,880.29
  6. Step 6: Final answer
    x = 4,019,418.25

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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.