Home / 11,555,135.76-15,946,083.72-6,398,495.94

Finding the Fourth Proportional to 11,555,135.76, 15,946,083.72 and 6,398,495.94

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Solution

The fourth proportional to 11,555,135.76, 15,946,083.72 and 6,398,495.94 is: 8,829,922.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555,135.76 : 15,946,083.72 = 6,398,495.94 : x
  2. Step 2: Convert to fraction form
    11,555,135.76/15,946,083.72 = 6,398,495.94/x
  3. Step 3: Cross multiply
    11,555,135.76x = 15,946,083.72 × 6,398,495.94
  4. Step 4: Simplify right side
    11,555,135.76x = 102,030,951,941,320.11
  5. Step 5: Solve for x
    x = 102,030,951,941,320.11/11,555,135.76
  6. Step 6: Final answer
    x = 8,829,922.39

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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.