Home / 18,704,379.15-28,000,581.53-16,688,839.95

Finding the Fourth Proportional to 18,704,379.15, 28,000,581.53 and 16,688,839.95

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Solution

The fourth proportional to 18,704,379.15, 28,000,581.53 and 16,688,839.95 is: 24,983,305.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704,379.15 : 28,000,581.53 = 16,688,839.95 : x
  2. Step 2: Convert to fraction form
    18,704,379.15/28,000,581.53 = 16,688,839.95/x
  3. Step 3: Cross multiply
    18,704,379.15x = 28,000,581.53 × 16,688,839.95
  4. Step 4: Simplify right side
    18,704,379.15x = 467,297,223,577,651.88
  5. Step 5: Solve for x
    x = 467,297,223,577,651.88/18,704,379.15
  6. Step 6: Final answer
    x = 24,983,305.77

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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.