Home / 21,735,392.66-29,982,351.89-13,572,458.90

Finding the Fourth Proportional to 21,735,392.66, 29,982,351.89 and 13,572,458.90

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Solution

The fourth proportional to 21,735,392.66, 29,982,351.89 and 13,572,458.90 is: 18,722,194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,735,392.66 : 29,982,351.89 = 13,572,458.90 : x
  2. Step 2: Convert to fraction form
    21,735,392.66/29,982,351.89 = 13,572,458.90/x
  3. Step 3: Cross multiply
    21,735,392.66x = 29,982,351.89 × 13,572,458.90
  4. Step 4: Simplify right side
    21,735,392.66x = 406,934,238,752,362.31
  5. Step 5: Solve for x
    x = 406,934,238,752,362.31/21,735,392.66
  6. Step 6: Final answer
    x = 18,722,194.03

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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.