Home / 8,412,178.94-12,613,215.01-3,288,506.43

Finding the Fourth Proportional to 8,412,178.94, 12,613,215.01 and 3,288,506.43

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Solution

The fourth proportional to 8,412,178.94, 12,613,215.01 and 3,288,506.43 is: 4,930,784.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412,178.94 : 12,613,215.01 = 3,288,506.43 : x
  2. Step 2: Convert to fraction form
    8,412,178.94/12,613,215.01 = 3,288,506.43/x
  3. Step 3: Cross multiply
    8,412,178.94x = 12,613,215.01 × 3,288,506.43
  4. Step 4: Simplify right side
    8,412,178.94x = 41,478,638,693,176.88
  5. Step 5: Solve for x
    x = 41,478,638,693,176.88/8,412,178.94
  6. Step 6: Final answer
    x = 4,930,784.17

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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.