Home / 28,589,028.70-42,883,543.05-11,540,926.30

Finding the Fourth Proportional to 28,589,028.70, 42,883,543.05 and 11,540,926.30

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Solution

The fourth proportional to 28,589,028.70, 42,883,543.05 and 11,540,926.30 is: 17,311,389.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,589,028.70 : 42,883,543.05 = 11,540,926.30 : x
  2. Step 2: Convert to fraction form
    28,589,028.70/42,883,543.05 = 11,540,926.30/x
  3. Step 3: Cross multiply
    28,589,028.70x = 42,883,543.05 × 11,540,926.30
  4. Step 4: Simplify right side
    28,589,028.70x = 494,915,809,822,927.19
  5. Step 5: Solve for x
    x = 494,915,809,822,927.19/28,589,028.70
  6. Step 6: Final answer
    x = 17,311,389.45

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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.