Home / 16,770,137.63-23,142,249.87-9,428,279

Finding the Fourth Proportional to 16,770,137.63, 23,142,249.87 and 9,428,279

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Solution

The fourth proportional to 16,770,137.63, 23,142,249.87 and 9,428,279 is: 13,010,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770,137.63 : 23,142,249.87 = 9,428,279 : x
  2. Step 2: Convert to fraction form
    16,770,137.63/23,142,249.87 = 9,428,279/x
  3. Step 3: Cross multiply
    16,770,137.63x = 23,142,249.87 × 9,428,279
  4. Step 4: Simplify right side
    16,770,137.63x = 218,191,588,462,073.75
  5. Step 5: Solve for x
    x = 218,191,588,462,073.75/16,770,137.63
  6. Step 6: Final answer
    x = 13,010,721.40

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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.