Home / 14,500,861.62-20,010,789.99-7,974,491.08

Finding the Fourth Proportional to 14,500,861.62, 20,010,789.99 and 7,974,491.08

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Solution

The fourth proportional to 14,500,861.62, 20,010,789.99 and 7,974,491.08 is: 11,004,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500,861.62 : 20,010,789.99 = 7,974,491.08 : x
  2. Step 2: Convert to fraction form
    14,500,861.62/20,010,789.99 = 7,974,491.08/x
  3. Step 3: Cross multiply
    14,500,861.62x = 20,010,789.99 × 7,974,491.08
  4. Step 4: Simplify right side
    14,500,861.62x = 159,575,866,239,135.84
  5. Step 5: Solve for x
    x = 159,575,866,239,135.84/14,500,861.62
  6. Step 6: Final answer
    x = 11,004,578.24

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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.