Home / 18,724,231.20-28,086,346.80-16,559,392.80

Finding the Fourth Proportional to 18,724,231.20, 28,086,346.80 and 16,559,392.80

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Solution

The fourth proportional to 18,724,231.20, 28,086,346.80 and 16,559,392.80 is: 24,839,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724,231.20 : 28,086,346.80 = 16,559,392.80 : x
  2. Step 2: Convert to fraction form
    18,724,231.20/28,086,346.80 = 16,559,392.80/x
  3. Step 3: Cross multiply
    18,724,231.20x = 28,086,346.80 × 16,559,392.80
  4. Step 4: Simplify right side
    18,724,231.20x = 465,092,848,978,223.06
  5. Step 5: Solve for x
    x = 465,092,848,978,223.06/18,724,231.20
  6. Step 6: Final answer
    x = 24,839,089.20

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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.