Home / 6,324,449.20-8,742,449.16-5,642,876.32

Finding the Fourth Proportional to 6,324,449.20, 8,742,449.16 and 5,642,876.32

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Solution

The fourth proportional to 6,324,449.20, 8,742,449.16 and 5,642,876.32 is: 7,800,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,324,449.20 : 8,742,449.16 = 5,642,876.32 : x
  2. Step 2: Convert to fraction form
    6,324,449.20/8,742,449.16 = 5,642,876.32/x
  3. Step 3: Cross multiply
    6,324,449.20x = 8,742,449.16 × 5,642,876.32
  4. Step 4: Simplify right side
    6,324,449.20x = 49,332,559,343,767.90
  5. Step 5: Solve for x
    x = 49,332,559,343,767.90/6,324,449.20
  6. Step 6: Final answer
    x = 7,800,293.40

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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.