Home / 18,479,857.24-25,502,372.22-10,219,492.72

Finding the Fourth Proportional to 18,479,857.24, 25,502,372.22 and 10,219,492.72

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Solution

The fourth proportional to 18,479,857.24, 25,502,372.22 and 10,219,492.72 is: 14,102,993.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,479,857.24 : 25,502,372.22 = 10,219,492.72 : x
  2. Step 2: Convert to fraction form
    18,479,857.24/25,502,372.22 = 10,219,492.72/x
  3. Step 3: Cross multiply
    18,479,857.24x = 25,502,372.22 × 10,219,492.72
  4. Step 4: Simplify right side
    18,479,857.24x = 260,621,307,245,020.25
  5. Step 5: Solve for x
    x = 260,621,307,245,020.25/18,479,857.24
  6. Step 6: Final answer
    x = 14,102,993.54

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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.