Home / 7,883,712.20-11,822,112.30-3,622,464.20

Finding the Fourth Proportional to 7,883,712.20, 11,822,112.30 and 3,622,464.20

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Solution

The fourth proportional to 7,883,712.20, 11,822,112.30 and 3,622,464.20 is: 5,432,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883,712.20 : 11,822,112.30 = 3,622,464.20 : x
  2. Step 2: Convert to fraction form
    7,883,712.20/11,822,112.30 = 3,622,464.20/x
  3. Step 3: Cross multiply
    7,883,712.20x = 11,822,112.30 × 3,622,464.20
  4. Step 4: Simplify right side
    7,883,712.20x = 42,825,178,575,129.66
  5. Step 5: Solve for x
    x = 42,825,178,575,129.66/7,883,712.20
  6. Step 6: Final answer
    x = 5,432,108.31

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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.