Home / 28,627,787.12-42,945,671.96-9,197,601.59

Finding the Fourth Proportional to 28,627,787.12, 42,945,671.96 and 9,197,601.59

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Solution

The fourth proportional to 28,627,787.12, 42,945,671.96 and 9,197,601.59 is: 13,797,684.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,627,787.12 : 42,945,671.96 = 9,197,601.59 : x
  2. Step 2: Convert to fraction form
    28,627,787.12/42,945,671.96 = 9,197,601.59/x
  3. Step 3: Cross multiply
    28,627,787.12x = 42,945,671.96 × 9,197,601.59
  4. Step 4: Simplify right side
    28,627,787.12x = 394,997,180,531,339.25
  5. Step 5: Solve for x
    x = 394,997,180,531,339.25/28,627,787.12
  6. Step 6: Final answer
    x = 13,797,684.71

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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.