Home / 19,859,973-27,407,609.40-11,158,162.44

Finding the Fourth Proportional to 19,859,973, 27,407,609.40 and 11,158,162.44

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Solution

The fourth proportional to 19,859,973, 27,407,609.40 and 11,158,162.44 is: 15,398,739.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859,973 : 27,407,609.40 = 11,158,162.44 : x
  2. Step 2: Convert to fraction form
    19,859,973/27,407,609.40 = 11,158,162.44/x
  3. Step 3: Cross multiply
    19,859,973x = 27,407,609.40 × 11,158,162.44
  4. Step 4: Simplify right side
    19,859,973x = 305,818,557,777,270.88
  5. Step 5: Solve for x
    x = 305,818,557,777,270.88/19,859,973
  6. Step 6: Final answer
    x = 15,398,739.86

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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.