Home / 15,201,318.54-22,802,125.41-12,161,131.77

Finding the Fourth Proportional to 15,201,318.54, 22,802,125.41 and 12,161,131.77

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Solution

The fourth proportional to 15,201,318.54, 22,802,125.41 and 12,161,131.77 is: 18,241,815.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,201,318.54 : 22,802,125.41 = 12,161,131.77 : x
  2. Step 2: Convert to fraction form
    15,201,318.54/22,802,125.41 = 12,161,131.77/x
  3. Step 3: Cross multiply
    15,201,318.54x = 22,802,125.41 × 12,161,131.77
  4. Step 4: Simplify right side
    15,201,318.54x = 277,299,651,747,075.28
  5. Step 5: Solve for x
    x = 277,299,651,747,075.28/15,201,318.54
  6. Step 6: Final answer
    x = 18,241,815.74

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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.