Home / 10,279,888.80-15,419,833.20-7,293,904.80

Finding the Fourth Proportional to 10,279,888.80, 15,419,833.20 and 7,293,904.80

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Solution

The fourth proportional to 10,279,888.80, 15,419,833.20 and 7,293,904.80 is: 10,940,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279,888.80 : 15,419,833.20 = 7,293,904.80 : x
  2. Step 2: Convert to fraction form
    10,279,888.80/15,419,833.20 = 7,293,904.80/x
  3. Step 3: Cross multiply
    10,279,888.80x = 15,419,833.20 × 7,293,904.80
  4. Step 4: Simplify right side
    10,279,888.80x = 112,470,795,392,679.36
  5. Step 5: Solve for x
    x = 112,470,795,392,679.36/10,279,888.80
  6. Step 6: Final answer
    x = 10,940,857.20

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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.