Home / 19,823,820.60-29,732,183.70-12,613,937.70

Finding the Fourth Proportional to 19,823,820.60, 29,732,183.70 and 12,613,937.70

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Solution

The fourth proportional to 19,823,820.60, 29,732,183.70 and 12,613,937.70 is: 18,918,649.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823,820.60 : 29,732,183.70 = 12,613,937.70 : x
  2. Step 2: Convert to fraction form
    19,823,820.60/29,732,183.70 = 12,613,937.70/x
  3. Step 3: Cross multiply
    19,823,820.60x = 29,732,183.70 × 12,613,937.70
  4. Step 4: Simplify right side
    19,823,820.60x = 375,039,912,876,755.44
  5. Step 5: Solve for x
    x = 375,039,912,876,755.44/19,823,820.60
  6. Step 6: Final answer
    x = 18,918,649.46

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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.