Home / 14,590,531.92-20,135,976.56-8,064,020.92

Finding the Fourth Proportional to 14,590,531.92, 20,135,976.56 and 8,064,020.92

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Solution

The fourth proportional to 14,590,531.92, 20,135,976.56 and 8,064,020.92 is: 11,128,925.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590,531.92 : 20,135,976.56 = 8,064,020.92 : x
  2. Step 2: Convert to fraction form
    14,590,531.92/20,135,976.56 = 8,064,020.92/x
  3. Step 3: Cross multiply
    14,590,531.92x = 20,135,976.56 × 8,064,020.92
  4. Step 4: Simplify right side
    14,590,531.92x = 162,376,936,224,469.62
  5. Step 5: Solve for x
    x = 162,376,936,224,469.62/14,590,531.92
  6. Step 6: Final answer
    x = 11,128,925.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.