Home / 8,206,996.95-12,310,744.37-2,815,569.32

Finding the Fourth Proportional to 8,206,996.95, 12,310,744.37 and 2,815,569.32

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Solution

The fourth proportional to 8,206,996.95, 12,310,744.37 and 2,815,569.32 is: 4,223,439.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206,996.95 : 12,310,744.37 = 2,815,569.32 : x
  2. Step 2: Convert to fraction form
    8,206,996.95/12,310,744.37 = 2,815,569.32/x
  3. Step 3: Cross multiply
    8,206,996.95x = 12,310,744.37 × 2,815,569.32
  4. Step 4: Simplify right side
    8,206,996.95x = 34,661,754,078,903.16
  5. Step 5: Solve for x
    x = 34,661,754,078,903.16/8,206,996.95
  6. Step 6: Final answer
    x = 4,223,439.38

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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.