Home / 20,681,462.89-31,026,846.03-6,305,983.84

Finding the Fourth Proportional to 20,681,462.89, 31,026,846.03 and 6,305,983.84

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Solution

The fourth proportional to 20,681,462.89, 31,026,846.03 and 6,305,983.84 is: 9,460,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,681,462.89 : 31,026,846.03 = 6,305,983.84 : x
  2. Step 2: Convert to fraction form
    20,681,462.89/31,026,846.03 = 6,305,983.84/x
  3. Step 3: Cross multiply
    20,681,462.89x = 31,026,846.03 × 6,305,983.84
  4. Step 4: Simplify right side
    20,681,462.89x = 195,654,789,671,348.16
  5. Step 5: Solve for x
    x = 195,654,789,671,348.16/20,681,462.89
  6. Step 6: Final answer
    x = 9,460,394.11

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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.