Home / 20,681,461.89-31,026,844.53-6,305,982.84

Finding the Fourth Proportional to 20,681,461.89, 31,026,844.53 and 6,305,982.84

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Solution

The fourth proportional to 20,681,461.89, 31,026,844.53 and 6,305,982.84 is: 9,460,392.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,681,461.89 : 31,026,844.53 = 6,305,982.84 : x
  2. Step 2: Convert to fraction form
    20,681,461.89/31,026,844.53 = 6,305,982.84/x
  3. Step 3: Cross multiply
    20,681,461.89x = 31,026,844.53 × 6,305,982.84
  4. Step 4: Simplify right side
    20,681,461.89x = 195,654,749,185,527.88
  5. Step 5: Solve for x
    x = 195,654,749,185,527.88/20,681,461.89
  6. Step 6: Final answer
    x = 9,460,392.61

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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.