Home / 13,317,770.70-18,390,942.84-9,802,288.38

Finding the Fourth Proportional to 13,317,770.70, 18,390,942.84 and 9,802,288.38

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Solution

The fourth proportional to 13,317,770.70, 18,390,942.84 and 9,802,288.38 is: 13,536,298.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317,770.70 : 18,390,942.84 = 9,802,288.38 : x
  2. Step 2: Convert to fraction form
    13,317,770.70/18,390,942.84 = 9,802,288.38/x
  3. Step 3: Cross multiply
    13,317,770.70x = 18,390,942.84 × 9,802,288.38
  4. Step 4: Simplify right side
    13,317,770.70x = 180,273,325,297,776.22
  5. Step 5: Solve for x
    x = 180,273,325,297,776.22/13,317,770.70
  6. Step 6: Final answer
    x = 13,536,298.93

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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.