Home / 14,987,142.45-20,682,760.23-9,184,805.46

Finding the Fourth Proportional to 14,987,142.45, 20,682,760.23 and 9,184,805.46

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Solution

The fourth proportional to 14,987,142.45, 20,682,760.23 and 9,184,805.46 is: 12,675,340.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987,142.45 : 20,682,760.23 = 9,184,805.46 : x
  2. Step 2: Convert to fraction form
    14,987,142.45/20,682,760.23 = 9,184,805.46/x
  3. Step 3: Cross multiply
    14,987,142.45x = 20,682,760.23 × 9,184,805.46
  4. Step 4: Simplify right side
    14,987,142.45x = 189,967,129,088,374.88
  5. Step 5: Solve for x
    x = 189,967,129,088,374.88/14,987,142.45
  6. Step 6: Final answer
    x = 12,675,340.19

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1.5x scale

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.