Home / 12,635,838.18-17,448,085.95-7,997,805.30

Finding the Fourth Proportional to 12,635,838.18, 17,448,085.95 and 7,997,805.30

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Solution

The fourth proportional to 12,635,838.18, 17,448,085.95 and 7,997,805.30 is: 11,043,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635,838.18 : 17,448,085.95 = 7,997,805.30 : x
  2. Step 2: Convert to fraction form
    12,635,838.18/17,448,085.95 = 7,997,805.30/x
  3. Step 3: Cross multiply
    12,635,838.18x = 17,448,085.95 × 7,997,805.30
  4. Step 4: Simplify right side
    12,635,838.18x = 139,546,394,285,765.53
  5. Step 5: Solve for x
    x = 139,546,394,285,765.53/12,635,838.18
  6. Step 6: Final answer
    x = 11,043,699.06

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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.