Home / 13,263,535.74-18,259,463.43-12,654,150.06

Finding the Fourth Proportional to 13,263,535.74, 18,259,463.43 and 12,654,150.06

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Solution

The fourth proportional to 13,263,535.74, 18,259,463.43 and 12,654,150.06 is: 17,420,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263,535.74 : 18,259,463.43 = 12,654,150.06 : x
  2. Step 2: Convert to fraction form
    13,263,535.74/18,259,463.43 = 12,654,150.06/x
  3. Step 3: Cross multiply
    13,263,535.74x = 18,259,463.43 × 12,654,150.06
  4. Step 4: Simplify right side
    13,263,535.74x = 231,057,990,258,302.31
  5. Step 5: Solve for x
    x = 231,057,990,258,302.31/13,263,535.74
  6. Step 6: Final answer
    x = 17,420,542.67

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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.