Home / 13,203,775.12-19,805,502.30-3,619,145.56

Finding the Fourth Proportional to 13,203,775.12, 19,805,502.30 and 3,619,145.56

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Solution

The fourth proportional to 13,203,775.12, 19,805,502.30 and 3,619,145.56 is: 5,428,674.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203,775.12 : 19,805,502.30 = 3,619,145.56 : x
  2. Step 2: Convert to fraction form
    13,203,775.12/19,805,502.30 = 3,619,145.56/x
  3. Step 3: Cross multiply
    13,203,775.12x = 19,805,502.30 × 3,619,145.56
  4. Step 4: Simplify right side
    13,203,775.12x = 71,678,995,712,614.80
  5. Step 5: Solve for x
    x = 71,678,995,712,614.80/13,203,775.12
  6. Step 6: Final answer
    x = 5,428,674.38

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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.