Home / 7,136,724.40-9,848,690.46-3,873,540.30

Finding the Fourth Proportional to 7,136,724.40, 9,848,690.46 and 3,873,540.30

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Solution

The fourth proportional to 7,136,724.40, 9,848,690.46 and 3,873,540.30 is: 5,345,491.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,724.40 : 9,848,690.46 = 3,873,540.30 : x
  2. Step 2: Convert to fraction form
    7,136,724.40/9,848,690.46 = 3,873,540.30/x
  3. Step 3: Cross multiply
    7,136,724.40x = 9,848,690.46 × 3,873,540.30
  4. Step 4: Simplify right side
    7,136,724.40x = 38,149,299,399,035.54
  5. Step 5: Solve for x
    x = 38,149,299,399,035.54/7,136,724.40
  6. Step 6: Final answer
    x = 5,345,491.47

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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.