Home / 20,166,494.70-30,249,742.05-7,388,291.10

Finding the Fourth Proportional to 20,166,494.70, 30,249,742.05 and 7,388,291.10

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Solution

The fourth proportional to 20,166,494.70, 30,249,742.05 and 7,388,291.10 is: 11,082,436.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166,494.70 : 30,249,742.05 = 7,388,291.10 : x
  2. Step 2: Convert to fraction form
    20,166,494.70/30,249,742.05 = 7,388,291.10/x
  3. Step 3: Cross multiply
    20,166,494.70x = 30,249,742.05 × 7,388,291.10
  4. Step 4: Simplify right side
    20,166,494.70x = 223,493,899,965,310.75
  5. Step 5: Solve for x
    x = 223,493,899,965,310.75/20,166,494.70
  6. Step 6: Final answer
    x = 11,082,436.65

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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.