Home / 18,980,862.62-26,193,453.50-10,278,833.36

Finding the Fourth Proportional to 18,980,862.62, 26,193,453.50 and 10,278,833.36

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Solution

The fourth proportional to 18,980,862.62, 26,193,453.50 and 10,278,833.36 is: 14,184,715.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,980,862.62 : 26,193,453.50 = 10,278,833.36 : x
  2. Step 2: Convert to fraction form
    18,980,862.62/26,193,453.50 = 10,278,833.36/x
  3. Step 3: Cross multiply
    18,980,862.62x = 26,193,453.50 × 10,278,833.36
  4. Step 4: Simplify right side
    18,980,862.62x = 269,238,143,649,408.75
  5. Step 5: Solve for x
    x = 269,238,143,649,408.75/18,980,862.62
  6. Step 6: Final answer
    x = 14,184,715.89

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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.