Home / 18,986,546.86-26,200,897.81-11,145,933.16

Finding the Fourth Proportional to 18,986,546.86, 26,200,897.81 and 11,145,933.16

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Solution

The fourth proportional to 18,986,546.86, 26,200,897.81 and 11,145,933.16 is: 15,381,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,986,546.86 : 26,200,897.81 = 11,145,933.16 : x
  2. Step 2: Convert to fraction form
    18,986,546.86/26,200,897.81 = 11,145,933.16/x
  3. Step 3: Cross multiply
    18,986,546.86x = 26,200,897.81 × 11,145,933.16
  4. Step 4: Simplify right side
    18,986,546.86x = 292,033,455,722,250.38
  5. Step 5: Solve for x
    x = 292,033,455,722,250.38/18,986,546.86
  6. Step 6: Final answer
    x = 15,381,072.60

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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.