Home / 14,500,861.83-20,010,790.28-7,974,491.31

Finding the Fourth Proportional to 14,500,861.83, 20,010,790.28 and 7,974,491.31

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Solution

The fourth proportional to 14,500,861.83, 20,010,790.28 and 7,974,491.31 is: 11,004,578.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500,861.83 : 20,010,790.28 = 7,974,491.31 : x
  2. Step 2: Convert to fraction form
    14,500,861.83/20,010,790.28 = 7,974,491.31/x
  3. Step 3: Cross multiply
    14,500,861.83x = 20,010,790.28 × 7,974,491.31
  4. Step 4: Simplify right side
    14,500,861.83x = 159,575,873,214,028.69
  5. Step 5: Solve for x
    x = 159,575,873,214,028.69/14,500,861.83
  6. Step 6: Final answer
    x = 11,004,578.56

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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.