Home / 13,483,361.44-18,607,039.12-7,371,790.24

Finding the Fourth Proportional to 13,483,361.44, 18,607,039.12 and 7,371,790.24

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Solution

The fourth proportional to 13,483,361.44, 18,607,039.12 and 7,371,790.24 is: 10,173,070.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483,361.44 : 18,607,039.12 = 7,371,790.24 : x
  2. Step 2: Convert to fraction form
    13,483,361.44/18,607,039.12 = 7,371,790.24/x
  3. Step 3: Cross multiply
    13,483,361.44x = 18,607,039.12 × 7,371,790.24
  4. Step 4: Simplify right side
    13,483,361.44x = 137,167,189,380,114.20
  5. Step 5: Solve for x
    x = 137,167,189,380,114.20/13,483,361.44
  6. Step 6: Final answer
    x = 10,173,070.71

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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.