Home / 7,898,542.20-11,844,314.10-3,640,015.80

Finding the Fourth Proportional to 7,898,542.20, 11,844,314.10 and 3,640,015.80

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Solution

The fourth proportional to 7,898,542.20, 11,844,314.10 and 3,640,015.80 is: 5,458,411.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898,542.20 : 11,844,314.10 = 3,640,015.80 : x
  2. Step 2: Convert to fraction form
    7,898,542.20/11,844,314.10 = 3,640,015.80/x
  3. Step 3: Cross multiply
    7,898,542.20x = 11,844,314.10 × 3,640,015.80
  4. Step 4: Simplify right side
    7,898,542.20x = 43,113,490,464,162.77
  5. Step 5: Solve for x
    x = 43,113,490,464,162.77/7,898,542.20
  6. Step 6: Final answer
    x = 5,458,411.11

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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.