Home / 28,601,313.12-39,432,764.52-18,524,883.15

Finding the Fourth Proportional to 28,601,313.12, 39,432,764.52 and 18,524,883.15

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Solution

The fourth proportional to 28,601,313.12, 39,432,764.52 and 18,524,883.15 is: 25,540,343.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,601,313.12 : 39,432,764.52 = 18,524,883.15 : x
  2. Step 2: Convert to fraction form
    28,601,313.12/39,432,764.52 = 18,524,883.15/x
  3. Step 3: Cross multiply
    28,601,313.12x = 39,432,764.52 × 18,524,883.15
  4. Step 4: Simplify right side
    28,601,313.12x = 730,487,355,014,465.88
  5. Step 5: Solve for x
    x = 730,487,355,014,465.88/28,601,313.12
  6. Step 6: Final answer
    x = 25,540,343.27

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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.