Home / 12,235,292.62-16,877,817.38-7,339,211.98

Finding the Fourth Proportional to 12,235,292.62, 16,877,817.38 and 7,339,211.98

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Solution

The fourth proportional to 12,235,292.62, 16,877,817.38 and 7,339,211.98 is: 10,123,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235,292.62 : 16,877,817.38 = 7,339,211.98 : x
  2. Step 2: Convert to fraction form
    12,235,292.62/16,877,817.38 = 7,339,211.98/x
  3. Step 3: Cross multiply
    12,235,292.62x = 16,877,817.38 × 7,339,211.98
  4. Step 4: Simplify right side
    12,235,292.62x = 123,869,879,511,548.22
  5. Step 5: Solve for x
    x = 123,869,879,511,548.22/12,235,292.62
  6. Step 6: Final answer
    x = 10,123,981.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.