Home / 11,810,543.20-16,298,549.52-6,378,034.72

Finding the Fourth Proportional to 11,810,543.20, 16,298,549.52 and 6,378,034.72

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Solution

The fourth proportional to 11,810,543.20, 16,298,549.52 and 6,378,034.72 is: 8,801,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810,543.20 : 16,298,549.52 = 6,378,034.72 : x
  2. Step 2: Convert to fraction form
    11,810,543.20/16,298,549.52 = 6,378,034.72/x
  3. Step 3: Cross multiply
    11,810,543.20x = 16,298,549.52 × 6,378,034.72
  4. Step 4: Simplify right side
    11,810,543.20x = 103,952,714,724,199.33
  5. Step 5: Solve for x
    x = 103,952,714,724,199.33/11,810,543.20
  6. Step 6: Final answer
    x = 8,801,687.86

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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.