Home / 38,537,796.25-53,177,270.88-21,129,560.56

Finding the Fourth Proportional to 38,537,796.25, 53,177,270.88 and 21,129,560.56

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Solution

The fourth proportional to 38,537,796.25, 53,177,270.88 and 21,129,560.56 is: 29,156,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,537,796.25 : 53,177,270.88 = 21,129,560.56 : x
  2. Step 2: Convert to fraction form
    38,537,796.25/53,177,270.88 = 21,129,560.56/x
  3. Step 3: Cross multiply
    38,537,796.25x = 53,177,270.88 × 21,129,560.56
  4. Step 4: Simplify right side
    38,537,796.25x = 1,123,612,365,474,484.50
  5. Step 5: Solve for x
    x = 1,123,612,365,474,484.50/38,537,796.25
  6. Step 6: Final answer
    x = 29,156,113.60

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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.