Home / 38,385,669.96-52,972,220.94-20,982,084.38

Finding the Fourth Proportional to 38,385,669.96, 52,972,220.94 and 20,982,084.38

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Solution

The fourth proportional to 38,385,669.96, 52,972,220.94 and 20,982,084.38 is: 28,955,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385,669.96 : 52,972,220.94 = 20,982,084.38 : x
  2. Step 2: Convert to fraction form
    38,385,669.96/52,972,220.94 = 20,982,084.38/x
  3. Step 3: Cross multiply
    38,385,669.96x = 52,972,220.94 × 20,982,084.38
  4. Step 4: Simplify right side
    38,385,669.96x = 1,111,467,609,414,184.88
  5. Step 5: Solve for x
    x = 1,111,467,609,414,184.88/38,385,669.96
  6. Step 6: Final answer
    x = 28,955,274.47

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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.