Home / 21,027,814.38-29,018,761.76-12,332,258.64

Finding the Fourth Proportional to 21,027,814.38, 29,018,761.76 and 12,332,258.64

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Solution

The fourth proportional to 21,027,814.38, 29,018,761.76 and 12,332,258.64 is: 17,018,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027,814.38 : 29,018,761.76 = 12,332,258.64 : x
  2. Step 2: Convert to fraction form
    21,027,814.38/29,018,761.76 = 12,332,258.64/x
  3. Step 3: Cross multiply
    21,027,814.38x = 29,018,761.76 × 12,332,258.64
  4. Step 4: Simplify right side
    21,027,814.38x = 357,866,875,436,861.62
  5. Step 5: Solve for x
    x = 357,866,875,436,861.62/21,027,814.38
  6. Step 6: Final answer
    x = 17,018,738.56

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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.