Home / 17,961,409.92-26,929,817.36-6,446,621.60

Finding the Fourth Proportional to 17,961,409.92, 26,929,817.36 and 6,446,621.60

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Solution

The fourth proportional to 17,961,409.92, 26,929,817.36 and 6,446,621.60 is: 9,665,518.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961,409.92 : 26,929,817.36 = 6,446,621.60 : x
  2. Step 2: Convert to fraction form
    17,961,409.92/26,929,817.36 = 6,446,621.60/x
  3. Step 3: Cross multiply
    17,961,409.92x = 26,929,817.36 × 6,446,621.60
  4. Step 4: Simplify right side
    17,961,409.92x = 173,606,342,277,030.97
  5. Step 5: Solve for x
    x = 173,606,342,277,030.97/17,961,409.92
  6. Step 6: Final answer
    x = 9,665,518.63

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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.