Home / 8,178,620.49-12,268,057.95-2,421,936.45

Finding the Fourth Proportional to 8,178,620.49, 12,268,057.95 and 2,421,936.45

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Solution

The fourth proportional to 8,178,620.49, 12,268,057.95 and 2,421,936.45 is: 3,632,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,620.49 : 12,268,057.95 = 2,421,936.45 : x
  2. Step 2: Convert to fraction form
    8,178,620.49/12,268,057.95 = 2,421,936.45/x
  3. Step 3: Cross multiply
    8,178,620.49x = 12,268,057.95 × 2,421,936.45
  4. Step 4: Simplify right side
    8,178,620.49x = 29,712,456,719,817.28
  5. Step 5: Solve for x
    x = 29,712,456,719,817.28/8,178,620.49
  6. Step 6: Final answer
    x = 3,632,942.35

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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.