Home / 43,508,711.70-65,263,067.55-13,212,638.10

Finding the Fourth Proportional to 43,508,711.70, 65,263,067.55 and 13,212,638.10

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Solution

The fourth proportional to 43,508,711.70, 65,263,067.55 and 13,212,638.10 is: 19,818,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,508,711.70 : 65,263,067.55 = 13,212,638.10 : x
  2. Step 2: Convert to fraction form
    43,508,711.70/65,263,067.55 = 13,212,638.10/x
  3. Step 3: Cross multiply
    43,508,711.70x = 65,263,067.55 × 13,212,638.10
  4. Step 4: Simplify right side
    43,508,711.70x = 862,297,292,834,003.62
  5. Step 5: Solve for x
    x = 862,297,292,834,003.62/43,508,711.70
  6. Step 6: Final answer
    x = 19,818,957.15

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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.