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Finding the Fourth Proportional to 28,672,093.80, 43,008,140.70 and 28,008,541.80

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Solution

The fourth proportional to 28,672,093.80, 43,008,140.70 and 28,008,541.80 is: 42,012,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,672,093.80 : 43,008,140.70 = 28,008,541.80 : x
  2. Step 2: Convert to fraction form
    28,672,093.80/43,008,140.70 = 28,008,541.80/x
  3. Step 3: Cross multiply
    28,672,093.80x = 43,008,140.70 × 28,008,541.80
  4. Step 4: Simplify right side
    28,672,093.80x = 1,204,595,306,536,231.50
  5. Step 5: Solve for x
    x = 1,204,595,306,536,231.50/28,672,093.80
  6. Step 6: Final answer
    x = 42,012,812.70

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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.