Home / 7,438,203.29-11,152,211.34-3,787,867.16

Finding the Fourth Proportional to 7,438,203.29, 11,152,211.34 and 3,787,867.16

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Solution

The fourth proportional to 7,438,203.29, 11,152,211.34 and 3,787,867.16 is: 5,679,206.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438,203.29 : 11,152,211.34 = 3,787,867.16 : x
  2. Step 2: Convert to fraction form
    7,438,203.29/11,152,211.34 = 3,787,867.16/x
  3. Step 3: Cross multiply
    7,438,203.29x = 11,152,211.34 × 3,787,867.16
  4. Step 4: Simplify right side
    7,438,203.29x = 42,243,095,040,404.53
  5. Step 5: Solve for x
    x = 42,243,095,040,404.53/7,438,203.29
  6. Step 6: Final answer
    x = 5,679,206.85

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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.