Home / 11,810,585.20-16,298,607.48-6,378,076.72

Finding the Fourth Proportional to 11,810,585.20, 16,298,607.48 and 6,378,076.72

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Solution

The fourth proportional to 11,810,585.20, 16,298,607.48 and 6,378,076.72 is: 8,801,745.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810,585.20 : 16,298,607.48 = 6,378,076.72 : x
  2. Step 2: Convert to fraction form
    11,810,585.20/16,298,607.48 = 6,378,076.72/x
  3. Step 3: Cross multiply
    11,810,585.20x = 16,298,607.48 × 6,378,076.72
  4. Step 4: Simplify right side
    11,810,585.20x = 103,953,768,936,605.86
  5. Step 5: Solve for x
    x = 103,953,768,936,605.86/11,810,585.20
  6. Step 6: Final answer
    x = 8,801,745.82

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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.