Home / 6,651,619.20-9,980,366.40-3,238,012.80

Finding the Fourth Proportional to 6,651,619.20, 9,980,366.40 and 3,238,012.80

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Solution

The fourth proportional to 6,651,619.20, 9,980,366.40 and 3,238,012.80 is: 4,858,449.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651,619.20 : 9,980,366.40 = 3,238,012.80 : x
  2. Step 2: Convert to fraction form
    6,651,619.20/9,980,366.40 = 3,238,012.80/x
  3. Step 3: Cross multiply
    6,651,619.20x = 9,980,366.40 × 3,238,012.80
  4. Step 4: Simplify right side
    6,651,619.20x = 32,316,554,151,889.92
  5. Step 5: Solve for x
    x = 32,316,554,151,889.92/6,651,619.20
  6. Step 6: Final answer
    x = 4,858,449.23

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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.