Home / 7,138,736.81-9,851,571.27-3,875,548.95

Finding the Fourth Proportional to 7,138,736.81, 9,851,571.27 and 3,875,548.95

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Solution

The fourth proportional to 7,138,736.81, 9,851,571.27 and 3,875,548.95 is: 5,348,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,736.81 : 9,851,571.27 = 3,875,548.95 : x
  2. Step 2: Convert to fraction form
    7,138,736.81/9,851,571.27 = 3,875,548.95/x
  3. Step 3: Cross multiply
    7,138,736.81x = 9,851,571.27 × 3,875,548.95
  4. Step 4: Simplify right side
    7,138,736.81x = 38,180,246,691,298.66
  5. Step 5: Solve for x
    x = 38,180,246,691,298.66/7,138,736.81
  6. Step 6: Final answer
    x = 5,348,319.70

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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.