Home / 12,672,080.40-19,036,114.20-12,196,189.20

Finding the Fourth Proportional to 12,672,080.40, 19,036,114.20 and 12,196,189.20

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Solution

The fourth proportional to 12,672,080.40, 19,036,114.20 and 12,196,189.20 is: 18,321,226.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,080.40 : 19,036,114.20 = 12,196,189.20 : x
  2. Step 2: Convert to fraction form
    12,672,080.40/19,036,114.20 = 12,196,189.20/x
  3. Step 3: Cross multiply
    12,672,080.40x = 19,036,114.20 × 12,196,189.20
  4. Step 4: Simplify right side
    12,672,080.40x = 232,168,050,416,006.62
  5. Step 5: Solve for x
    x = 232,168,050,416,006.62/12,672,080.40
  6. Step 6: Final answer
    x = 18,321,226.12

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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.