Home / 14,721,193.72-20,314,268.58-8,194,655.38

Finding the Fourth Proportional to 14,721,193.72, 20,314,268.58 and 8,194,655.38

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Solution

The fourth proportional to 14,721,193.72, 20,314,268.58 and 8,194,655.38 is: 11,308,079.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721,193.72 : 20,314,268.58 = 8,194,655.38 : x
  2. Step 2: Convert to fraction form
    14,721,193.72/20,314,268.58 = 8,194,655.38/x
  3. Step 3: Cross multiply
    14,721,193.72x = 20,314,268.58 × 8,194,655.38
  4. Step 4: Simplify right side
    14,721,193.72x = 166,468,430,309,861.94
  5. Step 5: Solve for x
    x = 166,468,430,309,861.94/14,721,193.72
  6. Step 6: Final answer
    x = 11,308,079.59

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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.