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Finding the Fourth Proportional to 16,470,505.80, 24,705,758.70 and 12,218,977.80

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Solution

The fourth proportional to 16,470,505.80, 24,705,758.70 and 12,218,977.80 is: 18,328,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,470,505.80 : 24,705,758.70 = 12,218,977.80 : x
  2. Step 2: Convert to fraction form
    16,470,505.80/24,705,758.70 = 12,218,977.80/x
  3. Step 3: Cross multiply
    16,470,505.80x = 24,705,758.70 × 12,218,977.80
  4. Step 4: Simplify right side
    16,470,505.80x = 301,879,117,087,456.88
  5. Step 5: Solve for x
    x = 301,879,117,087,456.88/16,470,505.80
  6. Step 6: Final answer
    x = 18,328,466.70

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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.