Home / 18,380,519.64-27,573,771.83-5,427,980.35

Finding the Fourth Proportional to 18,380,519.64, 27,573,771.83 and 5,427,980.35

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Solution

The fourth proportional to 18,380,519.64, 27,573,771.83 and 5,427,980.35 is: 8,142,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380,519.64 : 27,573,771.83 = 5,427,980.35 : x
  2. Step 2: Convert to fraction form
    18,380,519.64/27,573,771.83 = 5,427,980.35/x
  3. Step 3: Cross multiply
    18,380,519.64x = 27,573,771.83 × 5,427,980.35
  4. Step 4: Simplify right side
    18,380,519.64x = 149,669,891,572,549.22
  5. Step 5: Solve for x
    x = 149,669,891,572,549.22/18,380,519.64
  6. Step 6: Final answer
    x = 8,142,854.20

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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.