Home / 19,360,067.10-29,040,100.65-12,591,836.70

Finding the Fourth Proportional to 19,360,067.10, 29,040,100.65 and 12,591,836.70

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Solution

The fourth proportional to 19,360,067.10, 29,040,100.65 and 12,591,836.70 is: 18,887,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360,067.10 : 29,040,100.65 = 12,591,836.70 : x
  2. Step 2: Convert to fraction form
    19,360,067.10/29,040,100.65 = 12,591,836.70/x
  3. Step 3: Cross multiply
    19,360,067.10x = 29,040,100.65 × 12,591,836.70
  4. Step 4: Simplify right side
    19,360,067.10x = 365,668,205,136,363.81
  5. Step 5: Solve for x
    x = 365,668,205,136,363.81/19,360,067.10
  6. Step 6: Final answer
    x = 18,887,755.05

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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.