Home / 19,711,618.43-27,201,743.93-11,009,918.03

Finding the Fourth Proportional to 19,711,618.43, 27,201,743.93 and 11,009,918.03

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Solution

The fourth proportional to 19,711,618.43, 27,201,743.93 and 11,009,918.03 is: 15,193,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711,618.43 : 27,201,743.93 = 11,009,918.03 : x
  2. Step 2: Convert to fraction form
    19,711,618.43/27,201,743.93 = 11,009,918.03/x
  3. Step 3: Cross multiply
    19,711,618.43x = 27,201,743.93 × 11,009,918.03
  4. Step 4: Simplify right side
    19,711,618.43x = 299,488,970,833,866.12
  5. Step 5: Solve for x
    x = 299,488,970,833,866.12/19,711,618.43
  6. Step 6: Final answer
    x = 15,193,525.18

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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.