Home / 9,831,399.20-13,568,929.04-5,915,113.72

Finding the Fourth Proportional to 9,831,399.20, 13,568,929.04 and 5,915,113.72

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Solution

The fourth proportional to 9,831,399.20, 13,568,929.04 and 5,915,113.72 is: 8,163,818.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,831,399.20 : 13,568,929.04 = 5,915,113.72 : x
  2. Step 2: Convert to fraction form
    9,831,399.20/13,568,929.04 = 5,915,113.72/x
  3. Step 3: Cross multiply
    9,831,399.20x = 13,568,929.04 × 5,915,113.72
  4. Step 4: Simplify right side
    9,831,399.20x = 80,261,758,330,210.42
  5. Step 5: Solve for x
    x = 80,261,758,330,210.42/9,831,399.20
  6. Step 6: Final answer
    x = 8,163,818.47

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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.