Home / 7,237,234.20-10,855,851.30-1,918,450.20

Finding the Fourth Proportional to 7,237,234.20, 10,855,851.30 and 1,918,450.20

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Solution

The fourth proportional to 7,237,234.20, 10,855,851.30 and 1,918,450.20 is: 2,877,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237,234.20 : 10,855,851.30 = 1,918,450.20 : x
  2. Step 2: Convert to fraction form
    7,237,234.20/10,855,851.30 = 1,918,450.20/x
  3. Step 3: Cross multiply
    7,237,234.20x = 10,855,851.30 × 1,918,450.20
  4. Step 4: Simplify right side
    7,237,234.20x = 20,826,410,097,655.26
  5. Step 5: Solve for x
    x = 20,826,410,097,655.26/7,237,234.20
  6. Step 6: Final answer
    x = 2,877,675.30

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Double scale
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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.