Home / 18,987,926.32-26,203,314.64-10,286,134.90

Finding the Fourth Proportional to 18,987,926.32, 26,203,314.64 and 10,286,134.90

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Solution

The fourth proportional to 18,987,926.32, 26,203,314.64 and 10,286,134.90 is: 14,194,853.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,987,926.32 : 26,203,314.64 = 10,286,134.90 : x
  2. Step 2: Convert to fraction form
    18,987,926.32/26,203,314.64 = 10,286,134.90/x
  3. Step 3: Cross multiply
    18,987,926.32x = 26,203,314.64 × 10,286,134.90
  4. Step 4: Simplify right side
    18,987,926.32x = 269,530,829,214,184.94
  5. Step 5: Solve for x
    x = 269,530,829,214,184.94/18,987,926.32
  6. Step 6: Final answer
    x = 14,194,853.33

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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.