Home / 13,306,540.80-19,917,820.80-12,886,636.80

Finding the Fourth Proportional to 13,306,540.80, 19,917,820.80 and 12,886,636.80

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Solution

The fourth proportional to 13,306,540.80, 19,917,820.80 and 12,886,636.80 is: 19,289,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,540.80 : 19,917,820.80 = 12,886,636.80 : x
  2. Step 2: Convert to fraction form
    13,306,540.80/19,917,820.80 = 12,886,636.80/x
  3. Step 3: Cross multiply
    13,306,540.80x = 19,917,820.80 × 12,886,636.80
  4. Step 4: Simplify right side
    13,306,540.80x = 256,673,722,497,085.47
  5. Step 5: Solve for x
    x = 256,673,722,497,085.47/13,306,540.80
  6. Step 6: Final answer
    x = 19,289,289.86

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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.