Home / 14,987,263.28-20,682,801.32-9,189,242

Finding the Fourth Proportional to 14,987,263.28, 20,682,801.32 and 9,189,242

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Solution

The fourth proportional to 14,987,263.28, 20,682,801.32 and 9,189,242 is: 12,681,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987,263.28 : 20,682,801.32 = 9,189,242 : x
  2. Step 2: Convert to fraction form
    14,987,263.28/20,682,801.32 = 9,189,242/x
  3. Step 3: Cross multiply
    14,987,263.28x = 20,682,801.32 × 9,189,242
  4. Step 4: Simplify right side
    14,987,263.28x = 190,059,266,567,399.44
  5. Step 5: Solve for x
    x = 190,059,266,567,399.44/14,987,263.28
  6. Step 6: Final answer
    x = 12,681,385.72

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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.