Home / 7,438,207.05-11,152,216.97-3,787,870.89

Finding the Fourth Proportional to 7,438,207.05, 11,152,216.97 and 3,787,870.89

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Solution

The fourth proportional to 7,438,207.05, 11,152,216.97 and 3,787,870.89 is: 5,679,212.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438,207.05 : 11,152,216.97 = 3,787,870.89 : x
  2. Step 2: Convert to fraction form
    7,438,207.05/11,152,216.97 = 3,787,870.89/x
  3. Step 3: Cross multiply
    7,438,207.05x = 11,152,216.97 × 3,787,870.89
  4. Step 4: Simplify right side
    7,438,207.05x = 42,243,158,000,687.65
  5. Step 5: Solve for x
    x = 42,243,158,000,687.65/7,438,207.05
  6. Step 6: Final answer
    x = 5,679,212.44

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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.