Home / 11,870,330.74-17,805,467.91-7,797,361.30

Finding the Fourth Proportional to 11,870,330.74, 17,805,467.91 and 7,797,361.30

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Solution

The fourth proportional to 11,870,330.74, 17,805,467.91 and 7,797,361.30 is: 11,696,023.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,870,330.74 : 17,805,467.91 = 7,797,361.30 : x
  2. Step 2: Convert to fraction form
    11,870,330.74/17,805,467.91 = 7,797,361.30/x
  3. Step 3: Cross multiply
    11,870,330.74x = 17,805,467.91 × 7,797,361.30
  4. Step 4: Simplify right side
    11,870,330.74x = 138,835,666,409,825.88
  5. Step 5: Solve for x
    x = 138,835,666,409,825.88/11,870,330.74
  6. Step 6: Final answer
    x = 11,696,023.43

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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.