Home / 12,491,492.20-18,709,244.70-10,252,004.20

Finding the Fourth Proportional to 12,491,492.20, 18,709,244.70 and 10,252,004.20

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Solution

The fourth proportional to 12,491,492.20, 18,709,244.70 and 10,252,004.20 is: 15,355,031.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,491,492.20 : 18,709,244.70 = 10,252,004.20 : x
  2. Step 2: Convert to fraction form
    12,491,492.20/18,709,244.70 = 10,252,004.20/x
  3. Step 3: Cross multiply
    12,491,492.20x = 18,709,244.70 × 10,252,004.20
  4. Step 4: Simplify right side
    12,491,492.20x = 191,807,255,243,227.72
  5. Step 5: Solve for x
    x = 191,807,255,243,227.72/12,491,492.20
  6. Step 6: Final answer
    x = 15,355,031.42

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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.