Home / 13,563,859.60-18,723,047.16-8,981,657.20

Finding the Fourth Proportional to 13,563,859.60, 18,723,047.16 and 8,981,657.20

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Solution

The fourth proportional to 13,563,859.60, 18,723,047.16 and 8,981,657.20 is: 12,397,945.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563,859.60 : 18,723,047.16 = 8,981,657.20 : x
  2. Step 2: Convert to fraction form
    13,563,859.60/18,723,047.16 = 8,981,657.20/x
  3. Step 3: Cross multiply
    13,563,859.60x = 18,723,047.16 × 8,981,657.20
  4. Step 4: Simplify right side
    13,563,859.60x = 168,163,991,330,553.53
  5. Step 5: Solve for x
    x = 168,163,991,330,553.53/13,563,859.60
  6. Step 6: Final answer
    x = 12,397,945.44

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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.