Home / 20,710,736.57-31,066,103.93-19,675,118.59

Finding the Fourth Proportional to 20,710,736.57, 31,066,103.93 and 19,675,118.59

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Solution

The fourth proportional to 20,710,736.57, 31,066,103.93 and 19,675,118.59 is: 29,512,676.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710,736.57 : 31,066,103.93 = 19,675,118.59 : x
  2. Step 2: Convert to fraction form
    20,710,736.57/31,066,103.93 = 19,675,118.59/x
  3. Step 3: Cross multiply
    20,710,736.57x = 31,066,103.93 × 19,675,118.59
  4. Step 4: Simplify right side
    20,710,736.57x = 611,229,278,775,974.12
  5. Step 5: Solve for x
    x = 611,229,278,775,974.12/20,710,736.57
  6. Step 6: Final answer
    x = 29,512,676.99

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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.