Home / 12,236,482.80-18,354,724.20-10,245,826.80

Finding the Fourth Proportional to 12,236,482.80, 18,354,724.20 and 10,245,826.80

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Solution

The fourth proportional to 12,236,482.80, 18,354,724.20 and 10,245,826.80 is: 15,368,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236,482.80 : 18,354,724.20 = 10,245,826.80 : x
  2. Step 2: Convert to fraction form
    12,236,482.80/18,354,724.20 = 10,245,826.80/x
  3. Step 3: Cross multiply
    12,236,482.80x = 18,354,724.20 × 10,245,826.80
  4. Step 4: Simplify right side
    12,236,482.80x = 188,059,325,114,968.56
  5. Step 5: Solve for x
    x = 188,059,325,114,968.56/12,236,482.80
  6. Step 6: Final answer
    x = 15,368,740.20

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Double scale
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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.