Home / 28,094,867.64-38,777,396.36-18,288,230.85

Finding the Fourth Proportional to 28,094,867.64, 38,777,396.36 and 18,288,230.85

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Solution

The fourth proportional to 28,094,867.64, 38,777,396.36 and 18,288,230.85 is: 25,241,976.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,094,867.64 : 38,777,396.36 = 18,288,230.85 : x
  2. Step 2: Convert to fraction form
    28,094,867.64/38,777,396.36 = 18,288,230.85/x
  3. Step 3: Cross multiply
    28,094,867.64x = 38,777,396.36 × 18,288,230.85
  4. Step 4: Simplify right side
    28,094,867.64x = 709,169,976,302,188.50
  5. Step 5: Solve for x
    x = 709,169,976,302,188.50/28,094,867.64
  6. Step 6: Final answer
    x = 25,241,976.06

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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.