Home / 33,101,941.90-45,687,004.31-21,918,710.04

Finding the Fourth Proportional to 33,101,941.90, 45,687,004.31 and 21,918,710.04

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Solution

The fourth proportional to 33,101,941.90, 45,687,004.31 and 21,918,710.04 is: 30,252,007.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,101,941.90 : 45,687,004.31 = 21,918,710.04 : x
  2. Step 2: Convert to fraction form
    33,101,941.90/45,687,004.31 = 21,918,710.04/x
  3. Step 3: Cross multiply
    33,101,941.90x = 45,687,004.31 × 21,918,710.04
  4. Step 4: Simplify right side
    33,101,941.90x = 1,001,400,199,838,685.25
  5. Step 5: Solve for x
    x = 1,001,400,199,838,685.25/33,101,941.90
  6. Step 6: Final answer
    x = 30,252,007.66

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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.