Home / 8,631,709-11,911,758.42-4,816,285

Finding the Fourth Proportional to 8,631,709, 11,911,758.42 and 4,816,285

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Solution

The fourth proportional to 8,631,709, 11,911,758.42 and 4,816,285 is: 6,646,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631,709 : 11,911,758.42 = 4,816,285 : x
  2. Step 2: Convert to fraction form
    8,631,709/11,911,758.42 = 4,816,285/x
  3. Step 3: Cross multiply
    8,631,709x = 11,911,758.42 × 4,816,285
  4. Step 4: Simplify right side
    8,631,709x = 57,370,423,401,869.70
  5. Step 5: Solve for x
    x = 57,370,423,401,869.70/8,631,709
  6. Step 6: Final answer
    x = 6,646,473.30

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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.