Home / 28,430,504.94-42,645,724.38-9,261,231.24

Finding the Fourth Proportional to 28,430,504.94, 42,645,724.38 and 9,261,231.24

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Solution

The fourth proportional to 28,430,504.94, 42,645,724.38 and 9,261,231.24 is: 13,891,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430,504.94 : 42,645,724.38 = 9,261,231.24 : x
  2. Step 2: Convert to fraction form
    28,430,504.94/42,645,724.38 = 9,261,231.24/x
  3. Step 3: Cross multiply
    28,430,504.94x = 42,645,724.38 × 9,261,231.24
  4. Step 4: Simplify right side
    28,430,504.94x = 394,951,914,880,485.69
  5. Step 5: Solve for x
    x = 394,951,914,880,485.69/28,430,504.94
  6. Step 6: Final answer
    x = 13,891,836.10

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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.