Home / 20,287,060.15-27,999,013.94-12,554,593.51

Finding the Fourth Proportional to 20,287,060.15, 27,999,013.94 and 12,554,593.51

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Solution

The fourth proportional to 20,287,060.15, 27,999,013.94 and 12,554,593.51 is: 17,327,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,287,060.15 : 27,999,013.94 = 12,554,593.51 : x
  2. Step 2: Convert to fraction form
    20,287,060.15/27,999,013.94 = 12,554,593.51/x
  3. Step 3: Cross multiply
    20,287,060.15x = 27,999,013.94 × 12,554,593.51
  4. Step 4: Simplify right side
    20,287,060.15x = 351,516,238,634,750.56
  5. Step 5: Solve for x
    x = 351,516,238,634,750.56/20,287,060.15
  6. Step 6: Final answer
    x = 17,327,115.71

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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.