Home / 18,867,128.60-26,036,034.39-10,607,540.37

Finding the Fourth Proportional to 18,867,128.60, 26,036,034.39 and 10,607,540.37

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Solution

The fourth proportional to 18,867,128.60, 26,036,034.39 and 10,607,540.37 is: 14,638,066.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,867,128.60 : 26,036,034.39 = 10,607,540.37 : x
  2. Step 2: Convert to fraction form
    18,867,128.60/26,036,034.39 = 10,607,540.37/x
  3. Step 3: Cross multiply
    18,867,128.60x = 26,036,034.39 × 10,607,540.37
  4. Step 4: Simplify right side
    18,867,128.60x = 276,178,285,915,450.88
  5. Step 5: Solve for x
    x = 276,178,285,915,450.88/18,867,128.60
  6. Step 6: Final answer
    x = 14,638,066.65

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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.