Home / 12,048,102.41-16,640,070.59-8,121,085.56

Finding the Fourth Proportional to 12,048,102.41, 16,640,070.59 and 8,121,085.56

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Solution

The fourth proportional to 12,048,102.41, 16,640,070.59 and 8,121,085.56 is: 11,216,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048,102.41 : 16,640,070.59 = 8,121,085.56 : x
  2. Step 2: Convert to fraction form
    12,048,102.41/16,640,070.59 = 8,121,085.56/x
  3. Step 3: Cross multiply
    12,048,102.41x = 16,640,070.59 × 8,121,085.56
  4. Step 4: Simplify right side
    12,048,102.41x = 135,135,436,945,224.25
  5. Step 5: Solve for x
    x = 135,135,436,945,224.25/12,048,102.41
  6. Step 6: Final answer
    x = 11,216,325.39

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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.