Home / 18,454,369.32-27,681,563.70-4,807,479.60

Finding the Fourth Proportional to 18,454,369.32, 27,681,563.70 and 4,807,479.60

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Solution

The fourth proportional to 18,454,369.32, 27,681,563.70 and 4,807,479.60 is: 7,211,221.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454,369.32 : 27,681,563.70 = 4,807,479.60 : x
  2. Step 2: Convert to fraction form
    18,454,369.32/27,681,563.70 = 4,807,479.60/x
  3. Step 3: Cross multiply
    18,454,369.32x = 27,681,563.70 × 4,807,479.60
  4. Step 4: Simplify right side
    18,454,369.32x = 133,078,552,783,850.50
  5. Step 5: Solve for x
    x = 133,078,552,783,850.50/18,454,369.32
  6. Step 6: Final answer
    x = 7,211,221.93

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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.