Home / 19,725,422.31-27,222,291.33-11,024,289.72

Finding the Fourth Proportional to 19,725,422.31, 27,222,291.33 and 11,024,289.72

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Solution

The fourth proportional to 19,725,422.31, 27,222,291.33 and 11,024,289.72 is: 15,214,195.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725,422.31 : 27,222,291.33 = 11,024,289.72 : x
  2. Step 2: Convert to fraction form
    19,725,422.31/27,222,291.33 = 11,024,289.72/x
  3. Step 3: Cross multiply
    19,725,422.31x = 27,222,291.33 × 11,024,289.72
  4. Step 4: Simplify right side
    19,725,422.31x = 300,106,426,464,164.12
  5. Step 5: Solve for x
    x = 300,106,426,464,164.12/19,725,422.31
  6. Step 6: Final answer
    x = 15,214,195.25

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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.