Home / 12,484,919.76-18,727,379.62-3,509,471.76

Finding the Fourth Proportional to 12,484,919.76, 18,727,379.62 and 3,509,471.76

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Solution

The fourth proportional to 12,484,919.76, 18,727,379.62 and 3,509,471.76 is: 5,264,207.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484,919.76 : 18,727,379.62 = 3,509,471.76 : x
  2. Step 2: Convert to fraction form
    12,484,919.76/18,727,379.62 = 3,509,471.76/x
  3. Step 3: Cross multiply
    12,484,919.76x = 18,727,379.62 × 3,509,471.76
  4. Step 4: Simplify right side
    12,484,919.76x = 65,723,209,915,189.53
  5. Step 5: Solve for x
    x = 65,723,209,915,189.53/12,484,919.76
  6. Step 6: Final answer
    x = 5,264,207.63

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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.