Home / 12,948,273.60-19,405,821.60-11,521,636.80

Finding the Fourth Proportional to 12,948,273.60, 19,405,821.60 and 11,521,636.80

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Solution

The fourth proportional to 12,948,273.60, 19,405,821.60 and 11,521,636.80 is: 17,267,694.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,273.60 : 19,405,821.60 = 11,521,636.80 : x
  2. Step 2: Convert to fraction form
    12,948,273.60/19,405,821.60 = 11,521,636.80/x
  3. Step 3: Cross multiply
    12,948,273.60x = 19,405,821.60 × 11,521,636.80
  4. Step 4: Simplify right side
    12,948,273.60x = 223,586,828,280,794.91
  5. Step 5: Solve for x
    x = 223,586,828,280,794.91/12,948,273.60
  6. Step 6: Final answer
    x = 17,267,694.15

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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.