Home / 12,101,857.57-16,700,563.19-6,669,349.57

Finding the Fourth Proportional to 12,101,857.57, 16,700,563.19 and 6,669,349.57

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Solution

The fourth proportional to 12,101,857.57, 16,700,563.19 and 6,669,349.57 is: 9,203,702.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,857.57 : 16,700,563.19 = 6,669,349.57 : x
  2. Step 2: Convert to fraction form
    12,101,857.57/16,700,563.19 = 6,669,349.57/x
  3. Step 3: Cross multiply
    12,101,857.57x = 16,700,563.19 × 6,669,349.57
  4. Step 4: Simplify right side
    12,101,857.57x = 111,381,893,929,984.33
  5. Step 5: Solve for x
    x = 111,381,893,929,984.33/12,101,857.57
  6. Step 6: Final answer
    x = 9,203,702.27

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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.