Home / 7,340,010.80-11,010,016.20-6,277,128.80

Finding the Fourth Proportional to 7,340,010.80, 11,010,016.20 and 6,277,128.80

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Solution

The fourth proportional to 7,340,010.80, 11,010,016.20 and 6,277,128.80 is: 9,415,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340,010.80 : 11,010,016.20 = 6,277,128.80 : x
  2. Step 2: Convert to fraction form
    7,340,010.80/11,010,016.20 = 6,277,128.80/x
  3. Step 3: Cross multiply
    7,340,010.80x = 11,010,016.20 × 6,277,128.80
  4. Step 4: Simplify right side
    7,340,010.80x = 69,111,289,777,486.55
  5. Step 5: Solve for x
    x = 69,111,289,777,486.55/7,340,010.80
  6. Step 6: Final answer
    x = 9,415,693.20

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Double scale
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Similar ratio
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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.