Home / 13,285,418.80-19,928,128.20-8,750,455.60

Finding the Fourth Proportional to 13,285,418.80, 19,928,128.20 and 8,750,455.60

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Solution

The fourth proportional to 13,285,418.80, 19,928,128.20 and 8,750,455.60 is: 13,125,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,418.80 : 19,928,128.20 = 8,750,455.60 : x
  2. Step 2: Convert to fraction form
    13,285,418.80/19,928,128.20 = 8,750,455.60/x
  3. Step 3: Cross multiply
    13,285,418.80x = 19,928,128.20 × 8,750,455.60
  4. Step 4: Simplify right side
    13,285,418.80x = 174,380,201,005,207.91
  5. Step 5: Solve for x
    x = 174,380,201,005,207.91/13,285,418.80
  6. Step 6: Final answer
    x = 13,125,683.40

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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.