Home / 7,290,608.80-10,935,913.20-6,870,704.80

Finding the Fourth Proportional to 7,290,608.80, 10,935,913.20 and 6,870,704.80

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Solution

The fourth proportional to 7,290,608.80, 10,935,913.20 and 6,870,704.80 is: 10,306,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290,608.80 : 10,935,913.20 = 6,870,704.80 : x
  2. Step 2: Convert to fraction form
    7,290,608.80/10,935,913.20 = 6,870,704.80/x
  3. Step 3: Cross multiply
    7,290,608.80x = 10,935,913.20 × 6,870,704.80
  4. Step 4: Simplify right side
    7,290,608.80x = 75,137,431,315,623.36
  5. Step 5: Solve for x
    x = 75,137,431,315,623.36/7,290,608.80
  6. Step 6: Final answer
    x = 10,306,057.20

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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.