Home / 13,134,661.20-19,701,991.80-11,859,202.80

Finding the Fourth Proportional to 13,134,661.20, 19,701,991.80 and 11,859,202.80

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Solution

The fourth proportional to 13,134,661.20, 19,701,991.80 and 11,859,202.80 is: 17,788,804.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134,661.20 : 19,701,991.80 = 11,859,202.80 : x
  2. Step 2: Convert to fraction form
    13,134,661.20/19,701,991.80 = 11,859,202.80/x
  3. Step 3: Cross multiply
    13,134,661.20x = 19,701,991.80 × 11,859,202.80
  4. Step 4: Simplify right side
    13,134,661.20x = 233,649,916,320,137.06
  5. Step 5: Solve for x
    x = 233,649,916,320,137.06/13,134,661.20
  6. Step 6: Final answer
    x = 17,788,804.20

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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.