Home / 26,349,103.12-39,534,958.78-10,186,405.86

Finding the Fourth Proportional to 26,349,103.12, 39,534,958.78 and 10,186,405.86

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Solution

The fourth proportional to 26,349,103.12, 39,534,958.78 and 10,186,405.86 is: 15,283,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,349,103.12 : 39,534,958.78 = 10,186,405.86 : x
  2. Step 2: Convert to fraction form
    26,349,103.12/39,534,958.78 = 10,186,405.86/x
  3. Step 3: Cross multiply
    26,349,103.12x = 39,534,958.78 × 10,186,405.86
  4. Step 4: Simplify right side
    26,349,103.12x = 402,719,135,791,450.44
  5. Step 5: Solve for x
    x = 402,719,135,791,450.44/26,349,103.12
  6. Step 6: Final answer
    x = 15,283,978.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.