Home / 19,359,912.51-26,718,241.19-11,100,743.28

Finding the Fourth Proportional to 19,359,912.51, 26,718,241.19 and 11,100,743.28

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Solution

The fourth proportional to 19,359,912.51, 26,718,241.19 and 11,100,743.28 is: 15,319,921.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359,912.51 : 26,718,241.19 = 11,100,743.28 : x
  2. Step 2: Convert to fraction form
    19,359,912.51/26,718,241.19 = 11,100,743.28/x
  3. Step 3: Cross multiply
    19,359,912.51x = 26,718,241.19 × 11,100,743.28
  4. Step 4: Simplify right side
    19,359,912.51x = 296,592,336,287,807.94
  5. Step 5: Solve for x
    x = 296,592,336,287,807.94/19,359,912.51
  6. Step 6: Final answer
    x = 15,319,921.31

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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.