Home / 13,577,816.57-18,711,075.94-11,258,076.60

Finding the Fourth Proportional to 13,577,816.57, 18,711,075.94 and 11,258,076.60

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Solution

The fourth proportional to 13,577,816.57, 18,711,075.94 and 11,258,076.60 is: 15,514,329.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577,816.57 : 18,711,075.94 = 11,258,076.60 : x
  2. Step 2: Convert to fraction form
    13,577,816.57/18,711,075.94 = 11,258,076.60/x
  3. Step 3: Cross multiply
    13,577,816.57x = 18,711,075.94 × 11,258,076.60
  4. Step 4: Simplify right side
    13,577,816.57x = 210,650,726,172,791.81
  5. Step 5: Solve for x
    x = 210,650,726,172,791.81/13,577,816.57
  6. Step 6: Final answer
    x = 15,514,329.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.