Home / 12,633,361.12-17,434,090.87-6,832,142.86

Finding the Fourth Proportional to 12,633,361.12, 17,434,090.87 and 6,832,142.86

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Solution

The fourth proportional to 12,633,361.12, 17,434,090.87 and 6,832,142.86 is: 9,428,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633,361.12 : 17,434,090.87 = 6,832,142.86 : x
  2. Step 2: Convert to fraction form
    12,633,361.12/17,434,090.87 = 6,832,142.86/x
  3. Step 3: Cross multiply
    12,633,361.12x = 17,434,090.87 × 6,832,142.86
  4. Step 4: Simplify right side
    12,633,361.12x = 119,112,199,370,891.25
  5. Step 5: Solve for x
    x = 119,112,199,370,891.25/12,633,361.12
  6. Step 6: Final answer
    x = 9,428,385.55

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1.5x scale

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.