Home / 13,382,598.11-18,467,383.52-7,581,261.47

Finding the Fourth Proportional to 13,382,598.11, 18,467,383.52 and 7,581,261.47

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Solution

The fourth proportional to 13,382,598.11, 18,467,383.52 and 7,581,261.47 is: 10,461,799.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382,598.11 : 18,467,383.52 = 7,581,261.47 : x
  2. Step 2: Convert to fraction form
    13,382,598.11/18,467,383.52 = 7,581,261.47/x
  3. Step 3: Cross multiply
    13,382,598.11x = 18,467,383.52 × 7,581,261.47
  4. Step 4: Simplify right side
    13,382,598.11x = 140,006,063,058,505.22
  5. Step 5: Solve for x
    x = 140,006,063,058,505.22/13,382,598.11
  6. Step 6: Final answer
    x = 10,461,799.87

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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.