Home / 13,611,817.42-18,784,085.64-7,416,937.62

Finding the Fourth Proportional to 13,611,817.42, 18,784,085.64 and 7,416,937.62

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Solution

The fourth proportional to 13,611,817.42, 18,784,085.64 and 7,416,937.62 is: 10,235,252.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611,817.42 : 18,784,085.64 = 7,416,937.62 : x
  2. Step 2: Convert to fraction form
    13,611,817.42/18,784,085.64 = 7,416,937.62/x
  3. Step 3: Cross multiply
    13,611,817.42x = 18,784,085.64 × 7,416,937.62
  4. Step 4: Simplify right side
    13,611,817.42x = 139,320,391,393,657.56
  5. Step 5: Solve for x
    x = 139,320,391,393,657.56/13,611,817.42
  6. Step 6: Final answer
    x = 10,235,252.73

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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.