Home / 13,144,066.44-18,231,609.39-12,794,496.36

Finding the Fourth Proportional to 13,144,066.44, 18,231,609.39 and 12,794,496.36

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Solution

The fourth proportional to 13,144,066.44, 18,231,609.39 and 12,794,496.36 is: 17,746,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144,066.44 : 18,231,609.39 = 12,794,496.36 : x
  2. Step 2: Convert to fraction form
    13,144,066.44/18,231,609.39 = 12,794,496.36/x
  3. Step 3: Cross multiply
    13,144,066.44x = 18,231,609.39 × 12,794,496.36
  4. Step 4: Simplify right side
    13,144,066.44x = 233,264,259,977,296.81
  5. Step 5: Solve for x
    x = 233,264,259,977,296.81/13,144,066.44
  6. Step 6: Final answer
    x = 17,746,734.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.