Home / 7,130,189.58-9,840,919.37-4,231,178.92

Finding the Fourth Proportional to 7,130,189.58, 9,840,919.37 and 4,231,178.92

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Solution

The fourth proportional to 7,130,189.58, 9,840,919.37 and 4,231,178.92 is: 5,839,773.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,189.58 : 9,840,919.37 = 4,231,178.92 : x
  2. Step 2: Convert to fraction form
    7,130,189.58/9,840,919.37 = 4,231,178.92/x
  3. Step 3: Cross multiply
    7,130,189.58x = 9,840,919.37 × 4,231,178.92
  4. Step 4: Simplify right side
    7,130,189.58x = 41,638,690,570,607.79
  5. Step 5: Solve for x
    x = 41,638,690,570,607.79/7,130,189.58
  6. Step 6: Final answer
    x = 5,839,773.28

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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.