Home / 7,986,002.80-11,979,004.20-2,306,412.40

Finding the Fourth Proportional to 7,986,002.80, 11,979,004.20 and 2,306,412.40

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Solution

The fourth proportional to 7,986,002.80, 11,979,004.20 and 2,306,412.40 is: 3,459,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986,002.80 : 11,979,004.20 = 2,306,412.40 : x
  2. Step 2: Convert to fraction form
    7,986,002.80/11,979,004.20 = 2,306,412.40/x
  3. Step 3: Cross multiply
    7,986,002.80x = 11,979,004.20 × 2,306,412.40
  4. Step 4: Simplify right side
    7,986,002.80x = 27,628,523,826,532.08
  5. Step 5: Solve for x
    x = 27,628,523,826,532.08/7,986,002.80
  6. Step 6: Final answer
    x = 3,459,618.60

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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.