Home / 20,448,774.20-30,647,111.70-10,868,742.20

Finding the Fourth Proportional to 20,448,774.20, 30,647,111.70 and 10,868,742.20

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Solution

The fourth proportional to 20,448,774.20, 30,647,111.70 and 10,868,742.20 is: 16,289,267.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,448,774.20 : 30,647,111.70 = 10,868,742.20 : x
  2. Step 2: Convert to fraction form
    20,448,774.20/30,647,111.70 = 10,868,742.20/x
  3. Step 3: Cross multiply
    20,448,774.20x = 30,647,111.70 × 10,868,742.20
  4. Step 4: Simplify right side
    20,448,774.20x = 333,095,556,241,903.69
  5. Step 5: Solve for x
    x = 333,095,556,241,903.69/20,448,774.20
  6. Step 6: Final answer
    x = 16,289,267.66

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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.