Home / 29,351,338.40-43,939,916.40-21,811,728.80

Finding the Fourth Proportional to 29,351,338.40, 43,939,916.40 and 21,811,728.80

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Solution

The fourth proportional to 29,351,338.40, 43,939,916.40 and 21,811,728.80 is: 32,652,873.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,351,338.40 : 43,939,916.40 = 21,811,728.80 : x
  2. Step 2: Convert to fraction form
    29,351,338.40/43,939,916.40 = 21,811,728.80/x
  3. Step 3: Cross multiply
    29,351,338.40x = 43,939,916.40 × 21,811,728.80
  4. Step 4: Simplify right side
    29,351,338.40x = 958,405,540,011,472.38
  5. Step 5: Solve for x
    x = 958,405,540,011,472.38/29,351,338.40
  6. Step 6: Final answer
    x = 32,652,873.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.