Home / 8,619,499.20-11,894,991.84-4,752,170.40

Finding the Fourth Proportional to 8,619,499.20, 11,894,991.84 and 4,752,170.40

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Solution

The fourth proportional to 8,619,499.20, 11,894,991.84 and 4,752,170.40 is: 6,558,040.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619,499.20 : 11,894,991.84 = 4,752,170.40 : x
  2. Step 2: Convert to fraction form
    8,619,499.20/11,894,991.84 = 4,752,170.40/x
  3. Step 3: Cross multiply
    8,619,499.20x = 11,894,991.84 × 4,752,170.40
  4. Step 4: Simplify right side
    8,619,499.20x = 56,527,028,130,289.54
  5. Step 5: Solve for x
    x = 56,527,028,130,289.54/8,619,499.20
  6. Step 6: Final answer
    x = 6,558,040.88

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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.