Home / 12,164,611.38-16,785,357.91-7,388,266.96

Finding the Fourth Proportional to 12,164,611.38, 16,785,357.91 and 7,388,266.96

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Solution

The fourth proportional to 12,164,611.38, 16,785,357.91 and 7,388,266.96 is: 10,194,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164,611.38 : 16,785,357.91 = 7,388,266.96 : x
  2. Step 2: Convert to fraction form
    12,164,611.38/16,785,357.91 = 7,388,266.96/x
  3. Step 3: Cross multiply
    12,164,611.38x = 16,785,357.91 × 7,388,266.96
  4. Step 4: Simplify right side
    12,164,611.38x = 124,014,705,258,227.66
  5. Step 5: Solve for x
    x = 124,014,705,258,227.66/12,164,611.38
  6. Step 6: Final answer
    x = 10,194,711.64

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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.