Home / 38,537,795.25-53,177,269.50-21,129,559.56

Finding the Fourth Proportional to 38,537,795.25, 53,177,269.50 and 21,129,559.56

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Solution

The fourth proportional to 38,537,795.25, 53,177,269.50 and 21,129,559.56 is: 29,156,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,537,795.25 : 53,177,269.50 = 21,129,559.56 : x
  2. Step 2: Convert to fraction form
    38,537,795.25/53,177,269.50 = 21,129,559.56/x
  3. Step 3: Cross multiply
    38,537,795.25x = 53,177,269.50 × 21,129,559.56
  4. Step 4: Simplify right side
    38,537,795.25x = 1,123,612,283,138,421.38
  5. Step 5: Solve for x
    x = 1,123,612,283,138,421.38/38,537,795.25
  6. Step 6: Final answer
    x = 29,156,112.22

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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.