Home / 15,044,040-20,760,775.20-8,605,512

Finding the Fourth Proportional to 15,044,040, 20,760,775.20 and 8,605,512

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Solution

The fourth proportional to 15,044,040, 20,760,775.20 and 8,605,512 is: 11,875,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044,040 : 20,760,775.20 = 8,605,512 : x
  2. Step 2: Convert to fraction form
    15,044,040/20,760,775.20 = 8,605,512/x
  3. Step 3: Cross multiply
    15,044,040x = 20,760,775.20 × 8,605,512
  4. Step 4: Simplify right side
    15,044,040x = 178,657,100,112,902.41
  5. Step 5: Solve for x
    x = 178,657,100,112,902.41/15,044,040
  6. Step 6: Final answer
    x = 11,875,606.56

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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.