Home / 7,438,248.72-11,152,279.26-3,787,912.44

Finding the Fourth Proportional to 7,438,248.72, 11,152,279.26 and 3,787,912.44

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Solution

The fourth proportional to 7,438,248.72, 11,152,279.26 and 3,787,912.44 is: 5,679,274.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438,248.72 : 11,152,279.26 = 3,787,912.44 : x
  2. Step 2: Convert to fraction form
    7,438,248.72/11,152,279.26 = 3,787,912.44/x
  3. Step 3: Cross multiply
    7,438,248.72x = 11,152,279.26 × 3,787,912.44
  4. Step 4: Simplify right side
    7,438,248.72x = 42,243,857,343,307.99
  5. Step 5: Solve for x
    x = 42,243,857,343,307.99/7,438,248.72
  6. Step 6: Final answer
    x = 5,679,274.64

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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.