Home / 8,181,784-12,274,447.56-3,133,094.68

Finding the Fourth Proportional to 8,181,784, 12,274,447.56 and 3,133,094.68

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Solution

The fourth proportional to 8,181,784, 12,274,447.56 and 3,133,094.68 is: 4,700,320.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181,784 : 12,274,447.56 = 3,133,094.68 : x
  2. Step 2: Convert to fraction form
    8,181,784/12,274,447.56 = 3,133,094.68/x
  3. Step 3: Cross multiply
    8,181,784x = 12,274,447.56 × 3,133,094.68
  4. Step 4: Simplify right side
    8,181,784x = 38,457,006,350,174.98
  5. Step 5: Solve for x
    x = 38,457,006,350,174.98/8,181,784
  6. Step 6: Final answer
    x = 4,700,320.41

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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.