Home / 11,139,161.33-15,375,248.73-6,728,186.03

Finding the Fourth Proportional to 11,139,161.33, 15,375,248.73 and 6,728,186.03

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Solution

The fourth proportional to 11,139,161.33, 15,375,248.73 and 6,728,186.03 is: 9,286,833.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,139,161.33 : 15,375,248.73 = 6,728,186.03 : x
  2. Step 2: Convert to fraction form
    11,139,161.33/15,375,248.73 = 6,728,186.03/x
  3. Step 3: Cross multiply
    11,139,161.33x = 15,375,248.73 × 6,728,186.03
  4. Step 4: Simplify right side
    11,139,161.33x = 103,447,533,636,085
  5. Step 5: Solve for x
    x = 103,447,533,636,085/11,139,161.33
  6. Step 6: Final answer
    x = 9,286,833.24

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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.