Home / 20,409,676.68-30,614,557.14-19,162,561.80

Finding the Fourth Proportional to 20,409,676.68, 30,614,557.14 and 19,162,561.80

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Solution

The fourth proportional to 20,409,676.68, 30,614,557.14 and 19,162,561.80 is: 28,743,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,409,676.68 : 30,614,557.14 = 19,162,561.80 : x
  2. Step 2: Convert to fraction form
    20,409,676.68/30,614,557.14 = 19,162,561.80/x
  3. Step 3: Cross multiply
    20,409,676.68x = 30,614,557.14 × 19,162,561.80
  4. Step 4: Simplify right side
    20,409,676.68x = 586,653,343,174,881.25
  5. Step 5: Solve for x
    x = 586,653,343,174,881.25/20,409,676.68
  6. Step 6: Final answer
    x = 28,743,882.25

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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.