Home / 20,389,459.80-30,584,189.70-16,656,979.80

Finding the Fourth Proportional to 20,389,459.80, 30,584,189.70 and 16,656,979.80

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Solution

The fourth proportional to 20,389,459.80, 30,584,189.70 and 16,656,979.80 is: 24,985,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,389,459.80 : 30,584,189.70 = 16,656,979.80 : x
  2. Step 2: Convert to fraction form
    20,389,459.80/30,584,189.70 = 16,656,979.80/x
  3. Step 3: Cross multiply
    20,389,459.80x = 30,584,189.70 × 16,656,979.80
  4. Step 4: Simplify right side
    20,389,459.80x = 509,440,230,032,268.06
  5. Step 5: Solve for x
    x = 509,440,230,032,268.06/20,389,459.80
  6. Step 6: Final answer
    x = 24,985,469.70

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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.