Home / 12,211,740.36-18,293,664.92-7,083,396.20

Finding the Fourth Proportional to 12,211,740.36, 18,293,664.92 and 7,083,396.20

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Solution

The fourth proportional to 12,211,740.36, 18,293,664.92 and 7,083,396.20 is: 10,611,204.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211,740.36 : 18,293,664.92 = 7,083,396.20 : x
  2. Step 2: Convert to fraction form
    12,211,740.36/18,293,664.92 = 7,083,396.20/x
  3. Step 3: Cross multiply
    12,211,740.36x = 18,293,664.92 × 7,083,396.20
  4. Step 4: Simplify right side
    12,211,740.36x = 129,581,276,588,718.47
  5. Step 5: Solve for x
    x = 129,581,276,588,718.47/12,211,740.36
  6. Step 6: Final answer
    x = 10,611,204.69

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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.