Home / 11,084,769.90-15,304,180.29-9,921,201.15

Finding the Fourth Proportional to 11,084,769.90, 15,304,180.29 and 9,921,201.15

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Solution

The fourth proportional to 11,084,769.90, 15,304,180.29 and 9,921,201.15 is: 13,697,699.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,084,769.90 : 15,304,180.29 = 9,921,201.15 : x
  2. Step 2: Convert to fraction form
    11,084,769.90/15,304,180.29 = 9,921,201.15/x
  3. Step 3: Cross multiply
    11,084,769.90x = 15,304,180.29 × 9,921,201.15
  4. Step 4: Simplify right side
    11,084,769.90x = 151,835,851,168,948.25
  5. Step 5: Solve for x
    x = 151,835,851,168,948.25/11,084,769.90
  6. Step 6: Final answer
    x = 13,697,699.87

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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.