Home / 5,454,713.40-8,182,069.75-5,181,958.05

Finding the Fourth Proportional to 5,454,713.40, 8,182,069.75 and 5,181,958.05

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Solution

The fourth proportional to 5,454,713.40, 8,182,069.75 and 5,181,958.05 is: 7,772,936.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454,713.40 : 8,182,069.75 = 5,181,958.05 : x
  2. Step 2: Convert to fraction form
    5,454,713.40/8,182,069.75 = 5,181,958.05/x
  3. Step 3: Cross multiply
    5,454,713.40x = 8,182,069.75 × 5,181,958.05
  4. Step 4: Simplify right side
    5,454,713.40x = 42,399,142,206,673.98
  5. Step 5: Solve for x
    x = 42,399,142,206,673.98/5,454,713.40
  6. Step 6: Final answer
    x = 7,772,936.74

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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.