Home / 28,315,027.60-42,504,034.20-15,560,443.60

Finding the Fourth Proportional to 28,315,027.60, 42,504,034.20 and 15,560,443.60

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Solution

The fourth proportional to 28,315,027.60, 42,504,034.20 and 15,560,443.60 is: 23,357,972.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,315,027.60 : 42,504,034.20 = 15,560,443.60 : x
  2. Step 2: Convert to fraction form
    28,315,027.60/42,504,034.20 = 15,560,443.60/x
  3. Step 3: Cross multiply
    28,315,027.60x = 42,504,034.20 × 15,560,443.60
  4. Step 4: Simplify right side
    28,315,027.60x = 661,381,626,941,571.12
  5. Step 5: Solve for x
    x = 661,381,626,941,571.12/28,315,027.60
  6. Step 6: Final answer
    x = 23,357,972.18

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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.