Home / 28,012,912.20-41,996,040.30-11,851,273.80

Finding the Fourth Proportional to 28,012,912.20, 41,996,040.30 and 11,851,273.80

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Solution

The fourth proportional to 28,012,912.20, 41,996,040.30 and 11,851,273.80 is: 17,767,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,012,912.20 : 41,996,040.30 = 11,851,273.80 : x
  2. Step 2: Convert to fraction form
    28,012,912.20/41,996,040.30 = 11,851,273.80/x
  3. Step 3: Cross multiply
    28,012,912.20x = 41,996,040.30 × 11,851,273.80
  4. Step 4: Simplify right side
    28,012,912.20x = 497,706,572,111,134.12
  5. Step 5: Solve for x
    x = 497,706,572,111,134.12/28,012,912.20
  6. Step 6: Final answer
    x = 17,767,041.45

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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.