Home / 16,770,137.13-23,142,249.18-9,428,278.50

Finding the Fourth Proportional to 16,770,137.13, 23,142,249.18 and 9,428,278.50

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Solution

The fourth proportional to 16,770,137.13, 23,142,249.18 and 9,428,278.50 is: 13,010,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770,137.13 : 23,142,249.18 = 9,428,278.50 : x
  2. Step 2: Convert to fraction form
    16,770,137.13/23,142,249.18 = 9,428,278.50/x
  3. Step 3: Cross multiply
    16,770,137.13x = 23,142,249.18 × 9,428,278.50
  4. Step 4: Simplify right side
    16,770,137.13x = 218,191,570,385,436.62
  5. Step 5: Solve for x
    x = 218,191,570,385,436.62/16,770,137.13
  6. Step 6: Final answer
    x = 13,010,720.71

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1.5x scale

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.