Home / 28,371,930.80-42,557,896.20-17,025,191.60

Finding the Fourth Proportional to 28,371,930.80, 42,557,896.20 and 17,025,191.60

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Solution

The fourth proportional to 28,371,930.80, 42,557,896.20 and 17,025,191.60 is: 25,537,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,371,930.80 : 42,557,896.20 = 17,025,191.60 : x
  2. Step 2: Convert to fraction form
    28,371,930.80/42,557,896.20 = 17,025,191.60/x
  3. Step 3: Cross multiply
    28,371,930.80x = 42,557,896.20 × 17,025,191.60
  4. Step 4: Simplify right side
    28,371,930.80x = 724,556,336,897,912
  5. Step 5: Solve for x
    x = 724,556,336,897,912/28,371,930.80
  6. Step 6: Final answer
    x = 25,537,787.40

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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.