Home / 13,689,896.06-20,505,322.58-12,885,012.02

Finding the Fourth Proportional to 13,689,896.06, 20,505,322.58 and 12,885,012.02

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Solution

The fourth proportional to 13,689,896.06, 20,505,322.58 and 12,885,012.02 is: 19,299,732.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,689,896.06 : 20,505,322.58 = 12,885,012.02 : x
  2. Step 2: Convert to fraction form
    13,689,896.06/20,505,322.58 = 12,885,012.02/x
  3. Step 3: Cross multiply
    13,689,896.06x = 20,505,322.58 × 12,885,012.02
  4. Step 4: Simplify right side
    13,689,896.06x = 264,211,327,750,325.75
  5. Step 5: Solve for x
    x = 264,211,327,750,325.75/13,689,896.06
  6. Step 6: Final answer
    x = 19,299,732.20

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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.