Home / 8,889,362.80-13,318,297.80-7,535,172.40

Finding the Fourth Proportional to 8,889,362.80, 13,318,297.80 and 7,535,172.40

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Solution

The fourth proportional to 8,889,362.80, 13,318,297.80 and 7,535,172.40 is: 11,289,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,362.80 : 13,318,297.80 = 7,535,172.40 : x
  2. Step 2: Convert to fraction form
    8,889,362.80/13,318,297.80 = 7,535,172.40/x
  3. Step 3: Cross multiply
    8,889,362.80x = 13,318,297.80 × 7,535,172.40
  4. Step 4: Simplify right side
    8,889,362.80x = 100,355,669,997,540.73
  5. Step 5: Solve for x
    x = 100,355,669,997,540.73/8,889,362.80
  6. Step 6: Final answer
    x = 11,289,410.98

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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.