Home / 11,827,273.20-17,712,916.20-8,020,143.60

Finding the Fourth Proportional to 11,827,273.20, 17,712,916.20 and 8,020,143.60

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Solution

The fourth proportional to 11,827,273.20, 17,712,916.20 and 8,020,143.60 is: 12,011,232.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827,273.20 : 17,712,916.20 = 8,020,143.60 : x
  2. Step 2: Convert to fraction form
    11,827,273.20/17,712,916.20 = 8,020,143.60/x
  3. Step 3: Cross multiply
    11,827,273.20x = 17,712,916.20 × 8,020,143.60
  4. Step 4: Simplify right side
    11,827,273.20x = 142,060,131,498,766.31
  5. Step 5: Solve for x
    x = 142,060,131,498,766.31/11,827,273.20
  6. Step 6: Final answer
    x = 12,011,232.78

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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.