Home / 13,025,735.87-17,963,752.86-8,131,412.12

Finding the Fourth Proportional to 13,025,735.87, 17,963,752.86 and 8,131,412.12

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Solution

The fourth proportional to 13,025,735.87, 17,963,752.86 and 8,131,412.12 is: 11,214,005.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025,735.87 : 17,963,752.86 = 8,131,412.12 : x
  2. Step 2: Convert to fraction form
    13,025,735.87/17,963,752.86 = 8,131,412.12/x
  3. Step 3: Cross multiply
    13,025,735.87x = 17,963,752.86 × 8,131,412.12
  4. Step 4: Simplify right side
    13,025,735.87x = 146,070,677,636,669.91
  5. Step 5: Solve for x
    x = 146,070,677,636,669.91/13,025,735.87
  6. Step 6: Final answer
    x = 11,214,005.81

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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.