Home / 20,572,057.60-30,929,236.80-19,240,028.80

Finding the Fourth Proportional to 20,572,057.60, 30,929,236.80 and 19,240,028.80

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Solution

The fourth proportional to 20,572,057.60, 30,929,236.80 and 19,240,028.80 is: 28,926,586.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,572,057.60 : 30,929,236.80 = 19,240,028.80 : x
  2. Step 2: Convert to fraction form
    20,572,057.60/30,929,236.80 = 19,240,028.80/x
  3. Step 3: Cross multiply
    20,572,057.60x = 30,929,236.80 × 19,240,028.80
  4. Step 4: Simplify right side
    20,572,057.60x = 595,079,406,794,019.88
  5. Step 5: Solve for x
    x = 595,079,406,794,019.88/20,572,057.60
  6. Step 6: Final answer
    x = 28,926,586.65

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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.