Home / 19,610,147.70-29,415,221.55-18,728,349.30

Finding the Fourth Proportional to 19,610,147.70, 29,415,221.55 and 18,728,349.30

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Solution

The fourth proportional to 19,610,147.70, 29,415,221.55 and 18,728,349.30 is: 28,092,523.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610,147.70 : 29,415,221.55 = 18,728,349.30 : x
  2. Step 2: Convert to fraction form
    19,610,147.70/29,415,221.55 = 18,728,349.30/x
  3. Step 3: Cross multiply
    19,610,147.70x = 29,415,221.55 × 18,728,349.30
  4. Step 4: Simplify right side
    19,610,147.70x = 550,898,543,925,287.44
  5. Step 5: Solve for x
    x = 550,898,543,925,287.44/19,610,147.70
  6. Step 6: Final answer
    x = 28,092,523.95

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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.