Home / 8,072,980.38-11,143,412.55-4,810,818.06

Finding the Fourth Proportional to 8,072,980.38, 11,143,412.55 and 4,810,818.06

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Solution

The fourth proportional to 8,072,980.38, 11,143,412.55 and 4,810,818.06 is: 6,640,537.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072,980.38 : 11,143,412.55 = 4,810,818.06 : x
  2. Step 2: Convert to fraction form
    8,072,980.38/11,143,412.55 = 4,810,818.06/x
  3. Step 3: Cross multiply
    8,072,980.38x = 11,143,412.55 × 4,810,818.06
  4. Step 4: Simplify right side
    8,072,980.38x = 53,608,930,345,570.65
  5. Step 5: Solve for x
    x = 53,608,930,345,570.65/8,072,980.38
  6. Step 6: Final answer
    x = 6,640,537.67

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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.