Home / 10,992,356.10-16,480,562.54-7,389,186.12

Finding the Fourth Proportional to 10,992,356.10, 16,480,562.54 and 7,389,186.12

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Solution

The fourth proportional to 10,992,356.10, 16,480,562.54 and 7,389,186.12 is: 11,078,420.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,356.10 : 16,480,562.54 = 7,389,186.12 : x
  2. Step 2: Convert to fraction form
    10,992,356.10/16,480,562.54 = 7,389,186.12/x
  3. Step 3: Cross multiply
    10,992,356.10x = 16,480,562.54 × 7,389,186.12
  4. Step 4: Simplify right side
    10,992,356.10x = 121,777,943,933,414.02
  5. Step 5: Solve for x
    x = 121,777,943,933,414.02/10,992,356.10
  6. Step 6: Final answer
    x = 11,078,420.57

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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.