Home / 6,138,121.46-8,470,812.20-3,347,397.50

Finding the Fourth Proportional to 6,138,121.46, 8,470,812.20 and 3,347,397.50

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Solution

The fourth proportional to 6,138,121.46, 8,470,812.20 and 3,347,397.50 is: 4,619,520.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138,121.46 : 8,470,812.20 = 3,347,397.50 : x
  2. Step 2: Convert to fraction form
    6,138,121.46/8,470,812.20 = 3,347,397.50/x
  3. Step 3: Cross multiply
    6,138,121.46x = 8,470,812.20 × 3,347,397.50
  4. Step 4: Simplify right side
    6,138,121.46x = 28,355,175,522,158.45
  5. Step 5: Solve for x
    x = 28,355,175,522,158.45/6,138,121.46
  6. Step 6: Final answer
    x = 4,619,520.11

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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.