Home / 13,614,792.64-18,788,172.88-7,419,896.44

Finding the Fourth Proportional to 13,614,792.64, 18,788,172.88 and 7,419,896.44

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Solution

The fourth proportional to 13,614,792.64, 18,788,172.88 and 7,419,896.44 is: 10,239,325.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,792.64 : 18,788,172.88 = 7,419,896.44 : x
  2. Step 2: Convert to fraction form
    13,614,792.64/18,788,172.88 = 7,419,896.44/x
  3. Step 3: Cross multiply
    13,614,792.64x = 18,788,172.88 × 7,419,896.44
  4. Step 4: Simplify right side
    13,614,792.64x = 139,406,297,066,416.55
  5. Step 5: Solve for x
    x = 139,406,297,066,416.55/13,614,792.64
  6. Step 6: Final answer
    x = 10,239,325.77

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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.