Home / 13,070,261.12-18,037,458.04-7,269,462.32

Finding the Fourth Proportional to 13,070,261.12, 18,037,458.04 and 7,269,462.32

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Solution

The fourth proportional to 13,070,261.12, 18,037,458.04 and 7,269,462.32 is: 10,032,134.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070,261.12 : 18,037,458.04 = 7,269,462.32 : x
  2. Step 2: Convert to fraction form
    13,070,261.12/18,037,458.04 = 7,269,462.32/x
  3. Step 3: Cross multiply
    13,070,261.12x = 18,037,458.04 × 7,269,462.32
  4. Step 4: Simplify right side
    13,070,261.12x = 131,122,621,570,361.05
  5. Step 5: Solve for x
    x = 131,122,621,570,361.05/13,070,261.12
  6. Step 6: Final answer
    x = 10,032,134.81

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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.