Home / 8,680,949.78-11,979,690.08-4,813,371.50

Finding the Fourth Proportional to 8,680,949.78, 11,979,690.08 and 4,813,371.50

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Solution

The fourth proportional to 8,680,949.78, 11,979,690.08 and 4,813,371.50 is: 6,642,441.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680,949.78 : 11,979,690.08 = 4,813,371.50 : x
  2. Step 2: Convert to fraction form
    8,680,949.78/11,979,690.08 = 4,813,371.50/x
  3. Step 3: Cross multiply
    8,680,949.78x = 11,979,690.08 × 4,813,371.50
  4. Step 4: Simplify right side
    8,680,949.78x = 57,662,698,809,904.72
  5. Step 5: Solve for x
    x = 57,662,698,809,904.72/8,680,949.78
  6. Step 6: Final answer
    x = 6,642,441.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.