Home / 20,604,806.40-30,907,209.60-9,245,625.60

Finding the Fourth Proportional to 20,604,806.40, 30,907,209.60 and 9,245,625.60

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Solution

The fourth proportional to 20,604,806.40, 30,907,209.60 and 9,245,625.60 is: 13,868,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,604,806.40 : 30,907,209.60 = 9,245,625.60 : x
  2. Step 2: Convert to fraction form
    20,604,806.40/30,907,209.60 = 9,245,625.60/x
  3. Step 3: Cross multiply
    20,604,806.40x = 30,907,209.60 × 9,245,625.60
  4. Step 4: Simplify right side
    20,604,806.40x = 285,756,488,302,325.75
  5. Step 5: Solve for x
    x = 285,756,488,302,325.75/20,604,806.40
  6. Step 6: Final answer
    x = 13,868,438.40

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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.