Home / 28,912,541.85-43,382,056.68-12,522,839.31

Finding the Fourth Proportional to 28,912,541.85, 43,382,056.68 and 12,522,839.31

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Solution

The fourth proportional to 28,912,541.85, 43,382,056.68 and 12,522,839.31 is: 18,789,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912,541.85 : 43,382,056.68 = 12,522,839.31 : x
  2. Step 2: Convert to fraction form
    28,912,541.85/43,382,056.68 = 12,522,839.31/x
  3. Step 3: Cross multiply
    28,912,541.85x = 43,382,056.68 × 12,522,839.31
  4. Step 4: Simplify right side
    28,912,541.85x = 543,266,524,740,952.12
  5. Step 5: Solve for x
    x = 543,266,524,740,952.12/28,912,541.85
  6. Step 6: Final answer
    x = 18,789,995.27

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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.