Home / 19,065,228.60-28,597,842.90-18,321,211.20

Finding the Fourth Proportional to 19,065,228.60, 28,597,842.90 and 18,321,211.20

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Solution

The fourth proportional to 19,065,228.60, 28,597,842.90 and 18,321,211.20 is: 27,481,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065,228.60 : 28,597,842.90 = 18,321,211.20 : x
  2. Step 2: Convert to fraction form
    19,065,228.60/28,597,842.90 = 18,321,211.20/x
  3. Step 3: Cross multiply
    19,065,228.60x = 28,597,842.90 × 18,321,211.20
  4. Step 4: Simplify right side
    19,065,228.60x = 523,947,119,635,320.44
  5. Step 5: Solve for x
    x = 523,947,119,635,320.44/19,065,228.60
  6. Step 6: Final answer
    x = 27,481,816.80

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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.