Home / 18,187,291.80-27,280,861.11-7,402,035.69

Finding the Fourth Proportional to 18,187,291.80, 27,280,861.11 and 7,402,035.69

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Solution

The fourth proportional to 18,187,291.80, 27,280,861.11 and 7,402,035.69 is: 11,103,022.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,291.80 : 27,280,861.11 = 7,402,035.69 : x
  2. Step 2: Convert to fraction form
    18,187,291.80/27,280,861.11 = 7,402,035.69/x
  3. Step 3: Cross multiply
    18,187,291.80x = 27,280,861.11 × 7,402,035.69
  4. Step 4: Simplify right side
    18,187,291.80x = 201,933,907,590,153.03
  5. Step 5: Solve for x
    x = 201,933,907,590,153.03/18,187,291.80
  6. Step 6: Final answer
    x = 11,103,022.36

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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.