Home / 18,411,934.80-27,616,900.77-5,632,439.39

Finding the Fourth Proportional to 18,411,934.80, 27,616,900.77 and 5,632,439.39

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Solution

The fourth proportional to 18,411,934.80, 27,616,900.77 and 5,632,439.39 is: 8,448,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411,934.80 : 27,616,900.77 = 5,632,439.39 : x
  2. Step 2: Convert to fraction form
    18,411,934.80/27,616,900.77 = 5,632,439.39/x
  3. Step 3: Cross multiply
    18,411,934.80x = 27,616,900.77 × 5,632,439.39
  4. Step 4: Simplify right side
    18,411,934.80x = 155,550,519,588,584.81
  5. Step 5: Solve for x
    x = 155,550,519,588,584.81/18,411,934.80
  6. Step 6: Final answer
    x = 8,448,352.73

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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.