Home / 15,473,123.70-21,351,974.67-8,597,370.66

Finding the Fourth Proportional to 15,473,123.70, 21,351,974.67 and 8,597,370.66

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Solution

The fourth proportional to 15,473,123.70, 21,351,974.67 and 8,597,370.66 is: 11,863,851.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,473,123.70 : 21,351,974.67 = 8,597,370.66 : x
  2. Step 2: Convert to fraction form
    15,473,123.70/21,351,974.67 = 8,597,370.66/x
  3. Step 3: Cross multiply
    15,473,123.70x = 21,351,974.67 × 8,597,370.66
  4. Step 4: Simplify right side
    15,473,123.70x = 183,570,840,560,921.19
  5. Step 5: Solve for x
    x = 183,570,840,560,921.19/15,473,123.70
  6. Step 6: Final answer
    x = 11,863,851.42

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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.