Home / 43,704,857.80-65,557,286.70-21,030,041.80

Finding the Fourth Proportional to 43,704,857.80, 65,557,286.70 and 21,030,041.80

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Solution

The fourth proportional to 43,704,857.80, 65,557,286.70 and 21,030,041.80 is: 31,545,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,704,857.80 : 65,557,286.70 = 21,030,041.80 : x
  2. Step 2: Convert to fraction form
    43,704,857.80/65,557,286.70 = 21,030,041.80/x
  3. Step 3: Cross multiply
    43,704,857.80x = 65,557,286.70 × 21,030,041.80
  4. Step 4: Simplify right side
    43,704,857.80x = 1,378,672,479,595,584.25
  5. Step 5: Solve for x
    x = 1,378,672,479,595,584.25/43,704,857.80
  6. Step 6: Final answer
    x = 31,545,062.70

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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.