Home / 18,985,019.39-26,199,334.19-10,283,165.09

Finding the Fourth Proportional to 18,985,019.39, 26,199,334.19 and 10,283,165.09

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Solution

The fourth proportional to 18,985,019.39, 26,199,334.19 and 10,283,165.09 is: 14,190,771.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,985,019.39 : 26,199,334.19 = 10,283,165.09 : x
  2. Step 2: Convert to fraction form
    18,985,019.39/26,199,334.19 = 10,283,165.09/x
  3. Step 3: Cross multiply
    18,985,019.39x = 26,199,334.19 × 10,283,165.09
  4. Step 4: Simplify right side
    18,985,019.39x = 269,412,078,541,438.94
  5. Step 5: Solve for x
    x = 269,412,078,541,438.94/18,985,019.39
  6. Step 6: Final answer
    x = 14,190,771.84

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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.