Home / 13,115,479.48-18,093,184.42-8,530,127.80

Finding the Fourth Proportional to 13,115,479.48, 18,093,184.42 and 8,530,127.80

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Solution

The fourth proportional to 13,115,479.48, 18,093,184.42 and 8,530,127.80 is: 11,767,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115,479.48 : 18,093,184.42 = 8,530,127.80 : x
  2. Step 2: Convert to fraction form
    13,115,479.48/18,093,184.42 = 8,530,127.80/x
  3. Step 3: Cross multiply
    13,115,479.48x = 18,093,184.42 × 8,530,127.80
  4. Step 4: Simplify right side
    13,115,479.48x = 154,337,175,411,568.91
  5. Step 5: Solve for x
    x = 154,337,175,411,568.91/13,115,479.48
  6. Step 6: Final answer
    x = 11,767,558.76

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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.