Home / 7,438,208.81-11,152,219.62-3,787,872.69

Finding the Fourth Proportional to 7,438,208.81, 11,152,219.62 and 3,787,872.69

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Solution

The fourth proportional to 7,438,208.81, 11,152,219.62 and 3,787,872.69 is: 5,679,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438,208.81 : 11,152,219.62 = 3,787,872.69 : x
  2. Step 2: Convert to fraction form
    7,438,208.81/11,152,219.62 = 3,787,872.69/x
  3. Step 3: Cross multiply
    7,438,208.81x = 11,152,219.62 × 3,787,872.69
  4. Step 4: Simplify right side
    7,438,208.81x = 42,243,188,131,480.17
  5. Step 5: Solve for x
    x = 42,243,188,131,480.17/7,438,208.81
  6. Step 6: Final answer
    x = 5,679,215.15

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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.