Home / 13,286,568.04-19,929,852.36-3,189,189.04

Finding the Fourth Proportional to 13,286,568.04, 19,929,852.36 and 3,189,189.04

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Solution

The fourth proportional to 13,286,568.04, 19,929,852.36 and 3,189,189.04 is: 4,783,783.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,568.04 : 19,929,852.36 = 3,189,189.04 : x
  2. Step 2: Convert to fraction form
    13,286,568.04/19,929,852.36 = 3,189,189.04/x
  3. Step 3: Cross multiply
    13,286,568.04x = 19,929,852.36 × 3,189,189.04
  4. Step 4: Simplify right side
    13,286,568.04x = 63,560,066,715,330.13
  5. Step 5: Solve for x
    x = 63,560,066,715,330.13/13,286,568.04
  6. Step 6: Final answer
    x = 4,783,783.63

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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.