Home / 27,459,117.40-41,188,676.10-21,081,825.40

Finding the Fourth Proportional to 27,459,117.40, 41,188,676.10 and 21,081,825.40

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Solution

The fourth proportional to 27,459,117.40, 41,188,676.10 and 21,081,825.40 is: 31,622,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,459,117.40 : 41,188,676.10 = 21,081,825.40 : x
  2. Step 2: Convert to fraction form
    27,459,117.40/41,188,676.10 = 21,081,825.40/x
  3. Step 3: Cross multiply
    27,459,117.40x = 41,188,676.10 × 21,081,825.40
  4. Step 4: Simplify right side
    27,459,117.40x = 868,332,477,997,352.88
  5. Step 5: Solve for x
    x = 868,332,477,997,352.88/27,459,117.40
  6. Step 6: Final answer
    x = 31,622,738.10

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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.