Home / 8,150,135.40-12,225,203.10-4,370,999.40

Finding the Fourth Proportional to 8,150,135.40, 12,225,203.10 and 4,370,999.40

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Solution

The fourth proportional to 8,150,135.40, 12,225,203.10 and 4,370,999.40 is: 6,556,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150,135.40 : 12,225,203.10 = 4,370,999.40 : x
  2. Step 2: Convert to fraction form
    8,150,135.40/12,225,203.10 = 4,370,999.40/x
  3. Step 3: Cross multiply
    8,150,135.40x = 12,225,203.10 × 4,370,999.40
  4. Step 4: Simplify right side
    8,150,135.40x = 53,436,355,414,978.14
  5. Step 5: Solve for x
    x = 53,436,355,414,978.14/8,150,135.40
  6. Step 6: Final answer
    x = 6,556,499.10

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Similar ratio
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1.5x scale

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.