Home / 19,587,796.40-29,381,694.60-11,923,770.80

Finding the Fourth Proportional to 19,587,796.40, 29,381,694.60 and 11,923,770.80

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Solution

The fourth proportional to 19,587,796.40, 29,381,694.60 and 11,923,770.80 is: 17,885,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587,796.40 : 29,381,694.60 = 11,923,770.80 : x
  2. Step 2: Convert to fraction form
    19,587,796.40/29,381,694.60 = 11,923,770.80/x
  3. Step 3: Cross multiply
    19,587,796.40x = 29,381,694.60 × 11,923,770.80
  4. Step 4: Simplify right side
    19,587,796.40x = 350,340,592,125,997.75
  5. Step 5: Solve for x
    x = 350,340,592,125,997.75/19,587,796.40
  6. Step 6: Final answer
    x = 17,885,656.20

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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.