Home / 13,698,681.05-18,901,958.42-8,194,330.37

Finding the Fourth Proportional to 13,698,681.05, 18,901,958.42 and 8,194,330.37

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Solution

The fourth proportional to 13,698,681.05, 18,901,958.42 and 8,194,330.37 is: 11,306,847.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,681.05 : 18,901,958.42 = 8,194,330.37 : x
  2. Step 2: Convert to fraction form
    13,698,681.05/18,901,958.42 = 8,194,330.37/x
  3. Step 3: Cross multiply
    13,698,681.05x = 18,901,958.42 × 8,194,330.37
  4. Step 4: Simplify right side
    13,698,681.05x = 154,888,891,933,483.22
  5. Step 5: Solve for x
    x = 154,888,891,933,483.22/13,698,681.05
  6. Step 6: Final answer
    x = 11,306,847.09

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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.