Home / 34,001,869.40-51,002,804.10-20,396,979.80

Finding the Fourth Proportional to 34,001,869.40, 51,002,804.10 and 20,396,979.80

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Solution

The fourth proportional to 34,001,869.40, 51,002,804.10 and 20,396,979.80 is: 30,595,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,001,869.40 : 51,002,804.10 = 20,396,979.80 : x
  2. Step 2: Convert to fraction form
    34,001,869.40/51,002,804.10 = 20,396,979.80/x
  3. Step 3: Cross multiply
    34,001,869.40x = 51,002,804.10 × 20,396,979.80
  4. Step 4: Simplify right side
    34,001,869.40x = 1,040,303,164,971,057.25
  5. Step 5: Solve for x
    x = 1,040,303,164,971,057.25/34,001,869.40
  6. Step 6: Final answer
    x = 30,595,469.70

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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.