Home / 13,906,174.32-19,190,563.20-7,711,657.20

Finding the Fourth Proportional to 13,906,174.32, 19,190,563.20 and 7,711,657.20

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Solution

The fourth proportional to 13,906,174.32, 19,190,563.20 and 7,711,657.20 is: 10,642,110.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906,174.32 : 19,190,563.20 = 7,711,657.20 : x
  2. Step 2: Convert to fraction form
    13,906,174.32/19,190,563.20 = 7,711,657.20/x
  3. Step 3: Cross multiply
    13,906,174.32x = 19,190,563.20 × 7,711,657.20
  4. Step 4: Simplify right side
    13,906,174.32x = 147,991,044,873,335.03
  5. Step 5: Solve for x
    x = 147,991,044,873,335.03/13,906,174.32
  6. Step 6: Final answer
    x = 10,642,110.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.