Home / 13,785,971.72-20,669,381.46-6,105,431.24

Finding the Fourth Proportional to 13,785,971.72, 20,669,381.46 and 6,105,431.24

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Solution

The fourth proportional to 13,785,971.72, 20,669,381.46 and 6,105,431.24 is: 9,153,905.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785,971.72 : 20,669,381.46 = 6,105,431.24 : x
  2. Step 2: Convert to fraction form
    13,785,971.72/20,669,381.46 = 6,105,431.24/x
  3. Step 3: Cross multiply
    13,785,971.72x = 20,669,381.46 × 6,105,431.24
  4. Step 4: Simplify right side
    13,785,971.72x = 126,195,487,277,360.83
  5. Step 5: Solve for x
    x = 126,195,487,277,360.83/13,785,971.72
  6. Step 6: Final answer
    x = 9,153,905.86

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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.