Home / 20,287,938.54-30,436,573.50-6,641,525.10

Finding the Fourth Proportional to 20,287,938.54, 30,436,573.50 and 6,641,525.10

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Solution

The fourth proportional to 20,287,938.54, 30,436,573.50 and 6,641,525.10 is: 9,963,815.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,287,938.54 : 30,436,573.50 = 6,641,525.10 : x
  2. Step 2: Convert to fraction form
    20,287,938.54/30,436,573.50 = 6,641,525.10/x
  3. Step 3: Cross multiply
    20,287,938.54x = 30,436,573.50 × 6,641,525.10
  4. Step 4: Simplify right side
    20,287,938.54x = 202,145,266,858,244.84
  5. Step 5: Solve for x
    x = 202,145,266,858,244.84/20,287,938.54
  6. Step 6: Final answer
    x = 9,963,815.03

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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.