Home / 8,181,775.63-12,274,435-3,133,086.31

Finding the Fourth Proportional to 8,181,775.63, 12,274,435 and 3,133,086.31

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Solution

The fourth proportional to 8,181,775.63, 12,274,435 and 3,133,086.31 is: 4,700,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181,775.63 : 12,274,435 = 3,133,086.31 : x
  2. Step 2: Convert to fraction form
    8,181,775.63/12,274,435 = 3,133,086.31/x
  3. Step 3: Cross multiply
    8,181,775.63x = 12,274,435 × 3,133,086.31
  4. Step 4: Simplify right side
    8,181,775.63x = 38,456,864,200,112.68
  5. Step 5: Solve for x
    x = 38,456,864,200,112.68/8,181,775.63
  6. Step 6: Final answer
    x = 4,700,307.85

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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.