Home / 18,889,311.78-26,067,128.49-10,740,549.06

Finding the Fourth Proportional to 18,889,311.78, 26,067,128.49 and 10,740,549.06

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Solution

The fourth proportional to 18,889,311.78, 26,067,128.49 and 10,740,549.06 is: 14,821,888.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,889,311.78 : 26,067,128.49 = 10,740,549.06 : x
  2. Step 2: Convert to fraction form
    18,889,311.78/26,067,128.49 = 10,740,549.06/x
  3. Step 3: Cross multiply
    18,889,311.78x = 26,067,128.49 × 10,740,549.06
  4. Step 4: Simplify right side
    18,889,311.78x = 279,975,272,400,168.72
  5. Step 5: Solve for x
    x = 279,975,272,400,168.72/18,889,311.78
  6. Step 6: Final answer
    x = 14,821,888.47

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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.