Home / 8,000,128.18-11,040,099.96-4,328,964.37

Finding the Fourth Proportional to 8,000,128.18, 11,040,099.96 and 4,328,964.37

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Solution

The fourth proportional to 8,000,128.18, 11,040,099.96 and 4,328,964.37 is: 5,973,929.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000,128.18 : 11,040,099.96 = 4,328,964.37 : x
  2. Step 2: Convert to fraction form
    8,000,128.18/11,040,099.96 = 4,328,964.37/x
  3. Step 3: Cross multiply
    8,000,128.18x = 11,040,099.96 × 4,328,964.37
  4. Step 4: Simplify right side
    8,000,128.18x = 47,792,199,398,112.16
  5. Step 5: Solve for x
    x = 47,792,199,398,112.16/8,000,128.18
  6. Step 6: Final answer
    x = 5,973,929.21

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1.5x scale

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.