Home / 20,652,066.12-30,974,016.78-19,627,889.16

Finding the Fourth Proportional to 20,652,066.12, 30,974,016.78 and 19,627,889.16

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Solution

The fourth proportional to 20,652,066.12, 30,974,016.78 and 19,627,889.16 is: 29,437,953.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,652,066.12 : 30,974,016.78 = 19,627,889.16 : x
  2. Step 2: Convert to fraction form
    20,652,066.12/30,974,016.78 = 19,627,889.16/x
  3. Step 3: Cross multiply
    20,652,066.12x = 30,974,016.78 × 19,627,889.16
  4. Step 4: Simplify right side
    20,652,066.12x = 607,954,568,197,820.12
  5. Step 5: Solve for x
    x = 607,954,568,197,820.12/20,652,066.12
  6. Step 6: Final answer
    x = 29,437,953.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.