Home / 12,447,301.48-18,666,911.57-4,135,872.80

Finding the Fourth Proportional to 12,447,301.48, 18,666,911.57 and 4,135,872.80

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Solution

The fourth proportional to 12,447,301.48, 18,666,911.57 and 4,135,872.80 is: 6,202,466.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,447,301.48 : 18,666,911.57 = 4,135,872.80 : x
  2. Step 2: Convert to fraction form
    12,447,301.48/18,666,911.57 = 4,135,872.80/x
  3. Step 3: Cross multiply
    12,447,301.48x = 18,666,911.57 × 4,135,872.80
  4. Step 4: Simplify right side
    12,447,301.48x = 77,203,971,848,356.22
  5. Step 5: Solve for x
    x = 77,203,971,848,356.22/12,447,301.48
  6. Step 6: Final answer
    x = 6,202,466.61

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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.