Home / 12,195,652.48-18,293,500.32-3,678,426.88

Finding the Fourth Proportional to 12,195,652.48, 18,293,500.32 and 3,678,426.88

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Solution

The fourth proportional to 12,195,652.48, 18,293,500.32 and 3,678,426.88 is: 5,517,646.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195,652.48 : 18,293,500.32 = 3,678,426.88 : x
  2. Step 2: Convert to fraction form
    12,195,652.48/18,293,500.32 = 3,678,426.88/x
  3. Step 3: Cross multiply
    12,195,652.48x = 18,293,500.32 × 3,678,426.88
  4. Step 4: Simplify right side
    12,195,652.48x = 67,291,303,306,376.60
  5. Step 5: Solve for x
    x = 67,291,303,306,376.60/12,195,652.48
  6. Step 6: Final answer
    x = 5,517,646.83

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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.