Home / 7,079,487.12-10,619,200.38-1,961,902.32

Finding the Fourth Proportional to 7,079,487.12, 10,619,200.38 and 1,961,902.32

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Solution

The fourth proportional to 7,079,487.12, 10,619,200.38 and 1,961,902.32 is: 2,942,845.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079,487.12 : 10,619,200.38 = 1,961,902.32 : x
  2. Step 2: Convert to fraction form
    7,079,487.12/10,619,200.38 = 1,961,902.32/x
  3. Step 3: Cross multiply
    7,079,487.12x = 10,619,200.38 × 1,961,902.32
  4. Step 4: Simplify right side
    7,079,487.12x = 20,833,833,862,066.88
  5. Step 5: Solve for x
    x = 20,833,833,862,066.88/7,079,487.12
  6. Step 6: Final answer
    x = 2,942,845.08

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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.