Home / 18,724,420.20-28,086,630.30-16,559,581.80

Finding the Fourth Proportional to 18,724,420.20, 28,086,630.30 and 16,559,581.80

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Solution

The fourth proportional to 18,724,420.20, 28,086,630.30 and 16,559,581.80 is: 24,839,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724,420.20 : 28,086,630.30 = 16,559,581.80 : x
  2. Step 2: Convert to fraction form
    18,724,420.20/28,086,630.30 = 16,559,581.80/x
  3. Step 3: Cross multiply
    18,724,420.20x = 28,086,630.30 × 16,559,581.80
  4. Step 4: Simplify right side
    18,724,420.20x = 465,102,851,939,208.56
  5. Step 5: Solve for x
    x = 465,102,851,939,208.56/18,724,420.20
  6. Step 6: Final answer
    x = 24,839,372.70

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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.