Home / 6,739,942.80-10,109,914.20-3,870,161.40

Finding the Fourth Proportional to 6,739,942.80, 10,109,914.20 and 3,870,161.40

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Solution

The fourth proportional to 6,739,942.80, 10,109,914.20 and 3,870,161.40 is: 5,805,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739,942.80 : 10,109,914.20 = 3,870,161.40 : x
  2. Step 2: Convert to fraction form
    6,739,942.80/10,109,914.20 = 3,870,161.40/x
  3. Step 3: Cross multiply
    6,739,942.80x = 10,109,914.20 × 3,870,161.40
  4. Step 4: Simplify right side
    6,739,942.80x = 39,126,999,694,151.88
  5. Step 5: Solve for x
    x = 39,126,999,694,151.88/6,739,942.80
  6. Step 6: Final answer
    x = 5,805,242.10

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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.