Home / 14,987,225.56-20,682,749.22-9,189,204.22

Finding the Fourth Proportional to 14,987,225.56, 20,682,749.22 and 9,189,204.22

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Solution

The fourth proportional to 14,987,225.56, 20,682,749.22 and 9,189,204.22 is: 12,681,333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987,225.56 : 20,682,749.22 = 9,189,204.22 : x
  2. Step 2: Convert to fraction form
    14,987,225.56/20,682,749.22 = 9,189,204.22/x
  3. Step 3: Cross multiply
    14,987,225.56x = 20,682,749.22 × 9,189,204.22
  4. Step 4: Simplify right side
    14,987,225.56x = 190,058,006,413,625.72
  5. Step 5: Solve for x
    x = 190,058,006,413,625.72/14,987,225.56
  6. Step 6: Final answer
    x = 12,681,333.56

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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.