Home / 12,142,825.20-18,214,237.80-6,096,207.60

Finding the Fourth Proportional to 12,142,825.20, 18,214,237.80 and 6,096,207.60

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Solution

The fourth proportional to 12,142,825.20, 18,214,237.80 and 6,096,207.60 is: 9,144,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,142,825.20 : 18,214,237.80 = 6,096,207.60 : x
  2. Step 2: Convert to fraction form
    12,142,825.20/18,214,237.80 = 6,096,207.60/x
  3. Step 3: Cross multiply
    12,142,825.20x = 18,214,237.80 × 6,096,207.60
  4. Step 4: Simplify right side
    12,142,825.20x = 111,037,774,904,567.28
  5. Step 5: Solve for x
    x = 111,037,774,904,567.28/12,142,825.20
  6. Step 6: Final answer
    x = 9,144,311.40

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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.