Home / 11,328,085.80-16,992,128.70-7,297,007.40

Finding the Fourth Proportional to 11,328,085.80, 16,992,128.70 and 7,297,007.40

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Solution

The fourth proportional to 11,328,085.80, 16,992,128.70 and 7,297,007.40 is: 10,945,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328,085.80 : 16,992,128.70 = 7,297,007.40 : x
  2. Step 2: Convert to fraction form
    11,328,085.80/16,992,128.70 = 7,297,007.40/x
  3. Step 3: Cross multiply
    11,328,085.80x = 16,992,128.70 × 7,297,007.40
  4. Step 4: Simplify right side
    11,328,085.80x = 123,991,688,865,652.38
  5. Step 5: Solve for x
    x = 123,991,688,865,652.38/11,328,085.80
  6. Step 6: Final answer
    x = 10,945,511.10

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1.5x scale

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.