Home / 9,110,691.84-12,572,155.62-5,242,588.68

Finding the Fourth Proportional to 9,110,691.84, 12,572,155.62 and 5,242,588.68

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Solution

The fourth proportional to 9,110,691.84, 12,572,155.62 and 5,242,588.68 is: 7,234,427.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110,691.84 : 12,572,155.62 = 5,242,588.68 : x
  2. Step 2: Convert to fraction form
    9,110,691.84/12,572,155.62 = 5,242,588.68/x
  3. Step 3: Cross multiply
    9,110,691.84x = 12,572,155.62 × 5,242,588.68
  4. Step 4: Simplify right side
    9,110,691.84x = 65,910,640,736,610.38
  5. Step 5: Solve for x
    x = 65,910,640,736,610.38/9,110,691.84
  6. Step 6: Final answer
    x = 7,234,427.63

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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.