Home / 6,916,779.20-10,375,168.80-6,822,300.80

Finding the Fourth Proportional to 6,916,779.20, 10,375,168.80 and 6,822,300.80

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Solution

The fourth proportional to 6,916,779.20, 10,375,168.80 and 6,822,300.80 is: 10,233,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916,779.20 : 10,375,168.80 = 6,822,300.80 : x
  2. Step 2: Convert to fraction form
    6,916,779.20/10,375,168.80 = 6,822,300.80/x
  3. Step 3: Cross multiply
    6,916,779.20x = 10,375,168.80 × 6,822,300.80
  4. Step 4: Simplify right side
    6,916,779.20x = 70,782,522,404,375.05
  5. Step 5: Solve for x
    x = 70,782,522,404,375.05/6,916,779.20
  6. Step 6: Final answer
    x = 10,233,451.20

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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.