Home / 28,072,584.52-42,112,893.62-8,643,454.44

Finding the Fourth Proportional to 28,072,584.52, 42,112,893.62 and 8,643,454.44

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Solution

The fourth proportional to 28,072,584.52, 42,112,893.62 and 8,643,454.44 is: 12,966,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072,584.52 : 42,112,893.62 = 8,643,454.44 : x
  2. Step 2: Convert to fraction form
    28,072,584.52/42,112,893.62 = 8,643,454.44/x
  3. Step 3: Cross multiply
    28,072,584.52x = 42,112,893.62 × 8,643,454.44
  4. Step 4: Simplify right side
    28,072,584.52x = 364,000,877,341,036.62
  5. Step 5: Solve for x
    x = 364,000,877,341,036.62/28,072,584.52
  6. Step 6: Final answer
    x = 12,966,418.43

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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.