Home / 11,078,791.17-15,291,282.78-6,496,588.77

Finding the Fourth Proportional to 11,078,791.17, 15,291,282.78 and 6,496,588.77

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Solution

The fourth proportional to 11,078,791.17, 15,291,282.78 and 6,496,588.77 is: 8,966,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078,791.17 : 15,291,282.78 = 6,496,588.77 : x
  2. Step 2: Convert to fraction form
    11,078,791.17/15,291,282.78 = 6,496,588.77/x
  3. Step 3: Cross multiply
    11,078,791.17x = 15,291,282.78 × 6,496,588.77
  4. Step 4: Simplify right side
    11,078,791.17x = 99,341,175,987,442.38
  5. Step 5: Solve for x
    x = 99,341,175,987,442.38/11,078,791.17
  6. Step 6: Final answer
    x = 8,966,788.39

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Double scale
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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.