Home / 12,491,592.26-17,238,299.85-6,984,977.76

Finding the Fourth Proportional to 12,491,592.26, 17,238,299.85 and 6,984,977.76

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Solution

The fourth proportional to 12,491,592.26, 17,238,299.85 and 6,984,977.76 is: 9,639,214.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,491,592.26 : 17,238,299.85 = 6,984,977.76 : x
  2. Step 2: Convert to fraction form
    12,491,592.26/17,238,299.85 = 6,984,977.76/x
  3. Step 3: Cross multiply
    12,491,592.26x = 17,238,299.85 × 6,984,977.76
  4. Step 4: Simplify right side
    12,491,592.26x = 120,409,141,072,461.34
  5. Step 5: Solve for x
    x = 120,409,141,072,461.34/12,491,592.26
  6. Step 6: Final answer
    x = 9,639,214.81

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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.