Home / 13,817,277.42-20,682,785.40-10,178,109.42

Finding the Fourth Proportional to 13,817,277.42, 20,682,785.40 and 10,178,109.42

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Solution

The fourth proportional to 13,817,277.42, 20,682,785.40 and 10,178,109.42 is: 15,235,393.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817,277.42 : 20,682,785.40 = 10,178,109.42 : x
  2. Step 2: Convert to fraction form
    13,817,277.42/20,682,785.40 = 10,178,109.42/x
  3. Step 3: Cross multiply
    13,817,277.42x = 20,682,785.40 × 10,178,109.42
  4. Step 4: Simplify right side
    13,817,277.42x = 210,511,652,911,578.44
  5. Step 5: Solve for x
    x = 210,511,652,911,578.44/13,817,277.42
  6. Step 6: Final answer
    x = 15,235,393.09

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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.