Home / 19,202,100.36-28,810,407.08-11,531,093.20

Finding the Fourth Proportional to 19,202,100.36, 28,810,407.08 and 11,531,093.20

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Solution

The fourth proportional to 19,202,100.36, 28,810,407.08 and 11,531,093.20 is: 17,300,997.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202,100.36 : 28,810,407.08 = 11,531,093.20 : x
  2. Step 2: Convert to fraction form
    19,202,100.36/28,810,407.08 = 11,531,093.20/x
  3. Step 3: Cross multiply
    19,202,100.36x = 28,810,407.08 × 11,531,093.20
  4. Step 4: Simplify right side
    19,202,100.36x = 332,215,489,169,419.81
  5. Step 5: Solve for x
    x = 332,215,489,169,419.81/19,202,100.36
  6. Step 6: Final answer
    x = 17,300,997.44

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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.