Home / 18,401,249.53-25,398,051.60-11,437,186.51

Finding the Fourth Proportional to 18,401,249.53, 25,398,051.60 and 11,437,186.51

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Solution

The fourth proportional to 18,401,249.53, 25,398,051.60 and 11,437,186.51 is: 15,786,006.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401,249.53 : 25,398,051.60 = 11,437,186.51 : x
  2. Step 2: Convert to fraction form
    18,401,249.53/25,398,051.60 = 11,437,186.51/x
  3. Step 3: Cross multiply
    18,401,249.53x = 25,398,051.60 × 11,437,186.51
  4. Step 4: Simplify right side
    18,401,249.53x = 290,482,253,247,446.62
  5. Step 5: Solve for x
    x = 290,482,253,247,446.62/18,401,249.53
  6. Step 6: Final answer
    x = 15,786,006.96

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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.