Home / 12,333,369.60-18,500,054.40-8,743,190.40

Finding the Fourth Proportional to 12,333,369.60, 18,500,054.40 and 8,743,190.40

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Solution

The fourth proportional to 12,333,369.60, 18,500,054.40 and 8,743,190.40 is: 13,114,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,333,369.60 : 18,500,054.40 = 8,743,190.40 : x
  2. Step 2: Convert to fraction form
    12,333,369.60/18,500,054.40 = 8,743,190.40/x
  3. Step 3: Cross multiply
    12,333,369.60x = 18,500,054.40 × 8,743,190.40
  4. Step 4: Simplify right side
    12,333,369.60x = 161,749,498,029,557.75
  5. Step 5: Solve for x
    x = 161,749,498,029,557.75/12,333,369.60
  6. Step 6: Final answer
    x = 13,114,785.60

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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.