Home / 12,561,354.40-18,821,036.40-10,755,767.20

Finding the Fourth Proportional to 12,561,354.40, 18,821,036.40 and 10,755,767.20

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Solution

The fourth proportional to 12,561,354.40, 18,821,036.40 and 10,755,767.20 is: 16,115,673.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561,354.40 : 18,821,036.40 = 10,755,767.20 : x
  2. Step 2: Convert to fraction form
    12,561,354.40/18,821,036.40 = 10,755,767.20/x
  3. Step 3: Cross multiply
    12,561,354.40x = 18,821,036.40 × 10,755,767.20
  4. Step 4: Simplify right side
    12,561,354.40x = 202,434,685,981,126.06
  5. Step 5: Solve for x
    x = 202,434,685,981,126.06/12,561,354.40
  6. Step 6: Final answer
    x = 16,115,673.48

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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.