Home / 14,618,502.72-20,173,579.92-7,912,834.56

Finding the Fourth Proportional to 14,618,502.72, 20,173,579.92 and 7,912,834.56

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Solution

The fourth proportional to 14,618,502.72, 20,173,579.92 and 7,912,834.56 is: 10,919,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618,502.72 : 20,173,579.92 = 7,912,834.56 : x
  2. Step 2: Convert to fraction form
    14,618,502.72/20,173,579.92 = 7,912,834.56/x
  3. Step 3: Cross multiply
    14,618,502.72x = 20,173,579.92 × 7,912,834.56
  4. Step 4: Simplify right side
    14,618,502.72x = 159,630,200,389,898.03
  5. Step 5: Solve for x
    x = 159,630,200,389,898.03/14,618,502.72
  6. Step 6: Final answer
    x = 10,919,736.68

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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.