Home / 6,516,133.20-9,780,420.60-3,324,862.80

Finding the Fourth Proportional to 6,516,133.20, 9,780,420.60 and 3,324,862.80

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Solution

The fourth proportional to 6,516,133.20, 9,780,420.60 and 3,324,862.80 is: 4,990,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516,133.20 : 9,780,420.60 = 3,324,862.80 : x
  2. Step 2: Convert to fraction form
    6,516,133.20/9,780,420.60 = 3,324,862.80/x
  3. Step 3: Cross multiply
    6,516,133.20x = 9,780,420.60 × 3,324,862.80
  4. Step 4: Simplify right side
    6,516,133.20x = 32,518,556,621,293.68
  5. Step 5: Solve for x
    x = 32,518,556,621,293.68/6,516,133.20
  6. Step 6: Final answer
    x = 4,990,468.37

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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.