Home / 7,438,245.72-11,152,274.76-3,787,909.44

Finding the Fourth Proportional to 7,438,245.72, 11,152,274.76 and 3,787,909.44

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Solution

The fourth proportional to 7,438,245.72, 11,152,274.76 and 3,787,909.44 is: 5,679,270.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438,245.72 : 11,152,274.76 = 3,787,909.44 : x
  2. Step 2: Convert to fraction form
    7,438,245.72/11,152,274.76 = 3,787,909.44/x
  3. Step 3: Cross multiply
    7,438,245.72x = 11,152,274.76 × 3,787,909.44
  4. Step 4: Simplify right side
    7,438,245.72x = 42,243,806,840,877.73
  5. Step 5: Solve for x
    x = 42,243,806,840,877.73/7,438,245.72
  6. Step 6: Final answer
    x = 5,679,270.14

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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.