Home / 13,460,880.32-20,159,140.80-7,763,832.80

Finding the Fourth Proportional to 13,460,880.32, 20,159,140.80 and 7,763,832.80

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Solution

The fourth proportional to 13,460,880.32, 20,159,140.80 and 7,763,832.80 is: 11,627,188.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460,880.32 : 20,159,140.80 = 7,763,832.80 : x
  2. Step 2: Convert to fraction form
    13,460,880.32/20,159,140.80 = 7,763,832.80/x
  3. Step 3: Cross multiply
    13,460,880.32x = 20,159,140.80 × 7,763,832.80
  4. Step 4: Simplify right side
    13,460,880.32x = 156,512,198,562,858.25
  5. Step 5: Solve for x
    x = 156,512,198,562,858.25/13,460,880.32
  6. Step 6: Final answer
    x = 11,627,188.92

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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.