Home / 7,161,923.22-9,883,426.05-3,898,919.22

Finding the Fourth Proportional to 7,161,923.22, 9,883,426.05 and 3,898,919.22

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Solution

The fourth proportional to 7,161,923.22, 9,883,426.05 and 3,898,919.22 is: 5,380,493.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,923.22 : 9,883,426.05 = 3,898,919.22 : x
  2. Step 2: Convert to fraction form
    7,161,923.22/9,883,426.05 = 3,898,919.22/x
  3. Step 3: Cross multiply
    7,161,923.22x = 9,883,426.05 × 3,898,919.22
  4. Step 4: Simplify right side
    7,161,923.22x = 38,534,679,785,793.69
  5. Step 5: Solve for x
    x = 38,534,679,785,793.69/7,161,923.22
  6. Step 6: Final answer
    x = 5,380,493.28

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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.