Home / 18,713,247.80-28,027,881.30-15,354,015.80

Finding the Fourth Proportional to 18,713,247.80, 28,027,881.30 and 15,354,015.80

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Solution

The fourth proportional to 18,713,247.80, 28,027,881.30 and 15,354,015.80 is: 22,996,571.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713,247.80 : 28,027,881.30 = 15,354,015.80 : x
  2. Step 2: Convert to fraction form
    18,713,247.80/28,027,881.30 = 15,354,015.80/x
  3. Step 3: Cross multiply
    18,713,247.80x = 28,027,881.30 × 15,354,015.80
  4. Step 4: Simplify right side
    18,713,247.80x = 430,340,532,320,724.56
  5. Step 5: Solve for x
    x = 430,340,532,320,724.56/18,713,247.80
  6. Step 6: Final answer
    x = 22,996,571.03

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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.