Home / 28,458,476.83-42,687,710.09-15,515,511.71

Finding the Fourth Proportional to 28,458,476.83, 42,687,710.09 and 15,515,511.71

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Solution

The fourth proportional to 28,458,476.83, 42,687,710.09 and 15,515,511.71 is: 23,273,264.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458,476.83 : 42,687,710.09 = 15,515,511.71 : x
  2. Step 2: Convert to fraction form
    28,458,476.83/42,687,710.09 = 15,515,511.71/x
  3. Step 3: Cross multiply
    28,458,476.83x = 42,687,710.09 × 15,515,511.71
  4. Step 4: Simplify right side
    28,458,476.83x = 662,321,665,599,830.38
  5. Step 5: Solve for x
    x = 662,321,665,599,830.38/28,458,476.83
  6. Step 6: Final answer
    x = 23,273,264.75

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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.