Home / 19,057,905.72-28,588,102.74-13,955,605.56

Finding the Fourth Proportional to 19,057,905.72, 28,588,102.74 and 13,955,605.56

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Solution

The fourth proportional to 19,057,905.72, 28,588,102.74 and 13,955,605.56 is: 20,934,319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,057,905.72 : 28,588,102.74 = 13,955,605.56 : x
  2. Step 2: Convert to fraction form
    19,057,905.72/28,588,102.74 = 13,955,605.56/x
  3. Step 3: Cross multiply
    19,057,905.72x = 28,588,102.74 × 13,955,605.56
  4. Step 4: Simplify right side
    19,057,905.72x = 398,964,285,548,195.25
  5. Step 5: Solve for x
    x = 398,964,285,548,195.25/19,057,905.72
  6. Step 6: Final answer
    x = 20,934,319.41

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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.