Home / 8,223,810.78-12,285,735.74-5,321,533.94

Finding the Fourth Proportional to 8,223,810.78, 12,285,735.74 and 5,321,533.94

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Solution

The fourth proportional to 8,223,810.78, 12,285,735.74 and 5,321,533.94 is: 7,949,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223,810.78 : 12,285,735.74 = 5,321,533.94 : x
  2. Step 2: Convert to fraction form
    8,223,810.78/12,285,735.74 = 5,321,533.94/x
  3. Step 3: Cross multiply
    8,223,810.78x = 12,285,735.74 × 5,321,533.94
  4. Step 4: Simplify right side
    8,223,810.78x = 65,378,959,718,281.02
  5. Step 5: Solve for x
    x = 65,378,959,718,281.02/8,223,810.78
  6. Step 6: Final answer
    x = 7,949,959.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.