Home / 7,243,266.80-10,864,900.20-7,136,978.60

Finding the Fourth Proportional to 7,243,266.80, 10,864,900.20 and 7,136,978.60

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Solution

The fourth proportional to 7,243,266.80, 10,864,900.20 and 7,136,978.60 is: 10,705,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,266.80 : 10,864,900.20 = 7,136,978.60 : x
  2. Step 2: Convert to fraction form
    7,243,266.80/10,864,900.20 = 7,136,978.60/x
  3. Step 3: Cross multiply
    7,243,266.80x = 10,864,900.20 × 7,136,978.60
  4. Step 4: Simplify right side
    7,243,266.80x = 77,542,560,218,535.70
  5. Step 5: Solve for x
    x = 77,542,560,218,535.70/7,243,266.80
  6. Step 6: Final answer
    x = 10,705,467.90

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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.