Home / 18,222,722.10-27,334,520.55-5,443,643.70

Finding the Fourth Proportional to 18,222,722.10, 27,334,520.55 and 5,443,643.70

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Solution

The fourth proportional to 18,222,722.10, 27,334,520.55 and 5,443,643.70 is: 8,165,596.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222,722.10 : 27,334,520.55 = 5,443,643.70 : x
  2. Step 2: Convert to fraction form
    18,222,722.10/27,334,520.55 = 5,443,643.70/x
  3. Step 3: Cross multiply
    18,222,722.10x = 27,334,520.55 × 5,443,643.70
  4. Step 4: Simplify right side
    18,222,722.10x = 148,799,390,584,528.03
  5. Step 5: Solve for x
    x = 148,799,390,584,528.03/18,222,722.10
  6. Step 6: Final answer
    x = 8,165,596.21

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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.