Home / 15,285,596.13-21,086,082.72-9,086,233.32

Finding the Fourth Proportional to 15,285,596.13, 21,086,082.72 and 9,086,233.32

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Solution

The fourth proportional to 15,285,596.13, 21,086,082.72 and 9,086,233.32 is: 12,534,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285,596.13 : 21,086,082.72 = 9,086,233.32 : x
  2. Step 2: Convert to fraction form
    15,285,596.13/21,086,082.72 = 9,086,233.32/x
  3. Step 3: Cross multiply
    15,285,596.13x = 21,086,082.72 × 9,086,233.32
  4. Step 4: Simplify right side
    15,285,596.13x = 191,593,067,398,740.22
  5. Step 5: Solve for x
    x = 191,593,067,398,740.22/15,285,596.13
  6. Step 6: Final answer
    x = 12,534,222.79

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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.