Home / 12,226,685.49-18,338,903.64-4,138,736.67

Finding the Fourth Proportional to 12,226,685.49, 18,338,903.64 and 4,138,736.67

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Solution

The fourth proportional to 12,226,685.49, 18,338,903.64 and 4,138,736.67 is: 6,207,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226,685.49 : 18,338,903.64 = 4,138,736.67 : x
  2. Step 2: Convert to fraction form
    12,226,685.49/18,338,903.64 = 4,138,736.67/x
  3. Step 3: Cross multiply
    12,226,685.49x = 18,338,903.64 × 4,138,736.67
  4. Step 4: Simplify right side
    12,226,685.49x = 75,899,892,982,464.48
  5. Step 5: Solve for x
    x = 75,899,892,982,464.48/12,226,685.49
  6. Step 6: Final answer
    x = 6,207,724.33

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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.