Home / 8,991,018.20-13,486,527.30-5,148,896.60

Finding the Fourth Proportional to 8,991,018.20, 13,486,527.30 and 5,148,896.60

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Solution

The fourth proportional to 8,991,018.20, 13,486,527.30 and 5,148,896.60 is: 7,723,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,018.20 : 13,486,527.30 = 5,148,896.60 : x
  2. Step 2: Convert to fraction form
    8,991,018.20/13,486,527.30 = 5,148,896.60/x
  3. Step 3: Cross multiply
    8,991,018.20x = 13,486,527.30 × 5,148,896.60
  4. Step 4: Simplify right side
    8,991,018.20x = 69,440,734,560,777.18
  5. Step 5: Solve for x
    x = 69,440,734,560,777.18/8,991,018.20
  6. Step 6: Final answer
    x = 7,723,344.90

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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.