Home / 8,112,811.60-11,192,165.64-4,891,758.16

Finding the Fourth Proportional to 8,112,811.60, 11,192,165.64 and 4,891,758.16

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Solution

The fourth proportional to 8,112,811.60, 11,192,165.64 and 4,891,758.16 is: 6,748,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112,811.60 : 11,192,165.64 = 4,891,758.16 : x
  2. Step 2: Convert to fraction form
    8,112,811.60/11,192,165.64 = 4,891,758.16/x
  3. Step 3: Cross multiply
    8,112,811.60x = 11,192,165.64 × 4,891,758.16
  4. Step 4: Simplify right side
    8,112,811.60x = 54,749,367,597,541.62
  5. Step 5: Solve for x
    x = 54,749,367,597,541.62/8,112,811.60
  6. Step 6: Final answer
    x = 6,748,507.21

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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.