Home / 14,987,242.04-20,682,771.92-9,189,220.72

Finding the Fourth Proportional to 14,987,242.04, 20,682,771.92 and 9,189,220.72

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Solution

The fourth proportional to 14,987,242.04, 20,682,771.92 and 9,189,220.72 is: 12,681,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987,242.04 : 20,682,771.92 = 9,189,220.72 : x
  2. Step 2: Convert to fraction form
    14,987,242.04/20,682,771.92 = 9,189,220.72/x
  3. Step 3: Cross multiply
    14,987,242.04x = 20,682,771.92 × 9,189,220.72
  4. Step 4: Simplify right side
    14,987,242.04x = 190,058,556,274,298.22
  5. Step 5: Solve for x
    x = 190,058,556,274,298.22/14,987,242.04
  6. Step 6: Final answer
    x = 12,681,356.30

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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.