Home / 11,198,479.17-16,782,103.06-8,463,781.58

Finding the Fourth Proportional to 11,198,479.17, 16,782,103.06 and 8,463,781.58

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Solution

The fourth proportional to 11,198,479.17, 16,782,103.06 and 8,463,781.58 is: 12,683,870.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198,479.17 : 16,782,103.06 = 8,463,781.58 : x
  2. Step 2: Convert to fraction form
    11,198,479.17/16,782,103.06 = 8,463,781.58/x
  3. Step 3: Cross multiply
    11,198,479.17x = 16,782,103.06 × 8,463,781.58
  4. Step 4: Simplify right side
    11,198,479.17x = 142,040,054,742,219
  5. Step 5: Solve for x
    x = 142,040,054,742,219/11,198,479.17
  6. Step 6: Final answer
    x = 12,683,870.07

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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.