Home / 7,989,843.12-11,018,572.20-5,086,206.96

Finding the Fourth Proportional to 7,989,843.12, 11,018,572.20 and 5,086,206.96

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Solution

The fourth proportional to 7,989,843.12, 11,018,572.20 and 5,086,206.96 is: 7,014,247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989,843.12 : 11,018,572.20 = 5,086,206.96 : x
  2. Step 2: Convert to fraction form
    7,989,843.12/11,018,572.20 = 5,086,206.96/x
  3. Step 3: Cross multiply
    7,989,843.12x = 11,018,572.20 × 5,086,206.96
  4. Step 4: Simplify right side
    7,989,843.12x = 56,042,738,612,902.51
  5. Step 5: Solve for x
    x = 56,042,738,612,902.51/7,989,843.12
  6. Step 6: Final answer
    x = 7,014,247.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.