Home / 14,605,321.62-20,153,792.25-8,077,913.94

Finding the Fourth Proportional to 14,605,321.62, 20,153,792.25 and 8,077,913.94

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Solution

The fourth proportional to 14,605,321.62, 20,153,792.25 and 8,077,913.94 is: 11,146,663.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,605,321.62 : 20,153,792.25 = 8,077,913.94 : x
  2. Step 2: Convert to fraction form
    14,605,321.62/20,153,792.25 = 8,077,913.94/x
  3. Step 3: Cross multiply
    14,605,321.62x = 20,153,792.25 × 8,077,913.94
  4. Step 4: Simplify right side
    14,605,321.62x = 162,800,599,360,138.97
  5. Step 5: Solve for x
    x = 162,800,599,360,138.97/14,605,321.62
  6. Step 6: Final answer
    x = 11,146,663.09

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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.