Home / 28,015,749.85-41,937,433.94-18,279,398.15

Finding the Fourth Proportional to 28,015,749.85, 41,937,433.94 and 18,279,398.15

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Solution

The fourth proportional to 28,015,749.85, 41,937,433.94 and 18,279,398.15 is: 27,362,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,015,749.85 : 41,937,433.94 = 18,279,398.15 : x
  2. Step 2: Convert to fraction form
    28,015,749.85/41,937,433.94 = 18,279,398.15/x
  3. Step 3: Cross multiply
    28,015,749.85x = 41,937,433.94 × 18,279,398.15
  4. Step 4: Simplify right side
    28,015,749.85x = 766,591,052,077,499.12
  5. Step 5: Solve for x
    x = 766,591,052,077,499.12/28,015,749.85
  6. Step 6: Final answer
    x = 27,362,860.40

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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.