Home / 49,672,914.60-74,509,371.90-13,286,920.80

Finding the Fourth Proportional to 49,672,914.60, 74,509,371.90 and 13,286,920.80

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Solution

The fourth proportional to 49,672,914.60, 74,509,371.90 and 13,286,920.80 is: 19,930,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,672,914.60 : 74,509,371.90 = 13,286,920.80 : x
  2. Step 2: Convert to fraction form
    49,672,914.60/74,509,371.90 = 13,286,920.80/x
  3. Step 3: Cross multiply
    49,672,914.60x = 74,509,371.90 × 13,286,920.80
  4. Step 4: Simplify right side
    49,672,914.60x = 990,000,123,293,045.62
  5. Step 5: Solve for x
    x = 990,000,123,293,045.62/49,672,914.60
  6. Step 6: Final answer
    x = 19,930,381.20

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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.