Home / 18,421,532.37-25,421,739.17-10,161,408.33

Finding the Fourth Proportional to 18,421,532.37, 25,421,739.17 and 10,161,408.33

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Solution

The fourth proportional to 18,421,532.37, 25,421,739.17 and 10,161,408.33 is: 14,022,757.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,421,532.37 : 25,421,739.17 = 10,161,408.33 : x
  2. Step 2: Convert to fraction form
    18,421,532.37/25,421,739.17 = 10,161,408.33/x
  3. Step 3: Cross multiply
    18,421,532.37x = 25,421,739.17 × 10,161,408.33
  4. Step 4: Simplify right side
    18,421,532.37x = 258,320,672,114,318.25
  5. Step 5: Solve for x
    x = 258,320,672,114,318.25/18,421,532.37
  6. Step 6: Final answer
    x = 14,022,757.01

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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.