Home / 7,138,738.31-9,851,573.34-3,875,550.45

Finding the Fourth Proportional to 7,138,738.31, 9,851,573.34 and 3,875,550.45

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Solution

The fourth proportional to 7,138,738.31, 9,851,573.34 and 3,875,550.45 is: 5,348,321.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,738.31 : 9,851,573.34 = 3,875,550.45 : x
  2. Step 2: Convert to fraction form
    7,138,738.31/9,851,573.34 = 3,875,550.45/x
  3. Step 3: Cross multiply
    7,138,738.31x = 9,851,573.34 × 3,875,550.45
  4. Step 4: Simplify right side
    7,138,738.31x = 38,180,269,491,045.01
  5. Step 5: Solve for x
    x = 38,180,269,491,045.01/7,138,738.31
  6. Step 6: Final answer
    x = 5,348,321.77

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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.