Home / 13,808,128.38-19,063,391.07-12,276,003.66

Finding the Fourth Proportional to 13,808,128.38, 19,063,391.07 and 12,276,003.66

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Solution

The fourth proportional to 13,808,128.38, 19,063,391.07 and 12,276,003.66 is: 16,948,151.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808,128.38 : 19,063,391.07 = 12,276,003.66 : x
  2. Step 2: Convert to fraction form
    13,808,128.38/19,063,391.07 = 12,276,003.66/x
  3. Step 3: Cross multiply
    13,808,128.38x = 19,063,391.07 × 12,276,003.66
  4. Step 4: Simplify right side
    13,808,128.38x = 234,022,258,547,331.31
  5. Step 5: Solve for x
    x = 234,022,258,547,331.31/13,808,128.38
  6. Step 6: Final answer
    x = 16,948,151.99

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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.