Home / 27,137,980.31-40,673,620.46-12,545,160.57

Finding the Fourth Proportional to 27,137,980.31, 40,673,620.46 and 12,545,160.57

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Solution

The fourth proportional to 27,137,980.31, 40,673,620.46 and 12,545,160.57 is: 18,802,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,137,980.31 : 40,673,620.46 = 12,545,160.57 : x
  2. Step 2: Convert to fraction form
    27,137,980.31/40,673,620.46 = 12,545,160.57/x
  3. Step 3: Cross multiply
    27,137,980.31x = 40,673,620.46 × 12,545,160.57
  4. Step 4: Simplify right side
    27,137,980.31x = 510,257,099,633,937.31
  5. Step 5: Solve for x
    x = 510,257,099,633,937.31/27,137,980.31
  6. Step 6: Final answer
    x = 18,802,324.05

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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.