Home / 22,078,837.85-30,468,797.60-12,289,072.01

Finding the Fourth Proportional to 22,078,837.85, 30,468,797.60 and 12,289,072.01

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Solution

The fourth proportional to 22,078,837.85, 30,468,797.60 and 12,289,072.01 is: 16,958,920.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,078,837.85 : 30,468,797.60 = 12,289,072.01 : x
  2. Step 2: Convert to fraction form
    22,078,837.85/30,468,797.60 = 12,289,072.01/x
  3. Step 3: Cross multiply
    22,078,837.85x = 30,468,797.60 × 12,289,072.01
  4. Step 4: Simplify right side
    22,078,837.85x = 374,433,247,807,821.50
  5. Step 5: Solve for x
    x = 374,433,247,807,821.50/22,078,837.85
  6. Step 6: Final answer
    x = 16,958,920.14

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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.