Home / 19,934,540.70-29,901,811.05-19,745,583.90

Finding the Fourth Proportional to 19,934,540.70, 29,901,811.05 and 19,745,583.90

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Solution

The fourth proportional to 19,934,540.70, 29,901,811.05 and 19,745,583.90 is: 29,618,375.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934,540.70 : 29,901,811.05 = 19,745,583.90 : x
  2. Step 2: Convert to fraction form
    19,934,540.70/29,901,811.05 = 19,745,583.90/x
  3. Step 3: Cross multiply
    19,934,540.70x = 29,901,811.05 × 19,745,583.90
  4. Step 4: Simplify right side
    19,934,540.70x = 590,428,718,849,722.12
  5. Step 5: Solve for x
    x = 590,428,718,849,722.12/19,934,540.70
  6. Step 6: Final answer
    x = 29,618,375.85

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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.