Home / 18,195,276.72-25,098,956.28-11,756,748.72

Finding the Fourth Proportional to 18,195,276.72, 25,098,956.28 and 11,756,748.72

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Solution

The fourth proportional to 18,195,276.72, 25,098,956.28 and 11,756,748.72 is: 16,217,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195,276.72 : 25,098,956.28 = 11,756,748.72 : x
  2. Step 2: Convert to fraction form
    18,195,276.72/25,098,956.28 = 11,756,748.72/x
  3. Step 3: Cross multiply
    18,195,276.72x = 25,098,956.28 × 11,756,748.72
  4. Step 4: Simplify right side
    18,195,276.72x = 295,082,122,118,226
  5. Step 5: Solve for x
    x = 295,082,122,118,226/18,195,276.72
  6. Step 6: Final answer
    x = 16,217,512.20

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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.