Home / 13,488,334.95-20,232,502.43-9,378,524.55

Finding the Fourth Proportional to 13,488,334.95, 20,232,502.43 and 9,378,524.55

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Solution

The fourth proportional to 13,488,334.95, 20,232,502.43 and 9,378,524.55 is: 14,067,786.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,334.95 : 20,232,502.43 = 9,378,524.55 : x
  2. Step 2: Convert to fraction form
    13,488,334.95/20,232,502.43 = 9,378,524.55/x
  3. Step 3: Cross multiply
    13,488,334.95x = 20,232,502.43 × 9,378,524.55
  4. Step 4: Simplify right side
    13,488,334.95x = 189,751,020,700,797.06
  5. Step 5: Solve for x
    x = 189,751,020,700,797.06/13,488,334.95
  6. Step 6: Final answer
    x = 14,067,786.83

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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.