Home / 7,480,786.98-11,196,455.97-6,808,555.63

Finding the Fourth Proportional to 7,480,786.98, 11,196,455.97 and 6,808,555.63

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Solution

The fourth proportional to 7,480,786.98, 11,196,455.97 and 6,808,555.63 is: 10,190,330.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480,786.98 : 11,196,455.97 = 6,808,555.63 : x
  2. Step 2: Convert to fraction form
    7,480,786.98/11,196,455.97 = 6,808,555.63/x
  3. Step 3: Cross multiply
    7,480,786.98x = 11,196,455.97 × 6,808,555.63
  4. Step 4: Simplify right side
    7,480,786.98x = 76,231,693,330,590.61
  5. Step 5: Solve for x
    x = 76,231,693,330,590.61/7,480,786.98
  6. Step 6: Final answer
    x = 10,190,330.71

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Double scale
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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.