Home / 8,889,343.80-13,318,269.30-7,535,153.40

Finding the Fourth Proportional to 8,889,343.80, 13,318,269.30 and 7,535,153.40

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Solution

The fourth proportional to 8,889,343.80, 13,318,269.30 and 7,535,153.40 is: 11,289,382.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,343.80 : 13,318,269.30 = 7,535,153.40 : x
  2. Step 2: Convert to fraction form
    8,889,343.80/13,318,269.30 = 7,535,153.40/x
  3. Step 3: Cross multiply
    8,889,343.80x = 13,318,269.30 × 7,535,153.40
  4. Step 4: Simplify right side
    8,889,343.80x = 100,355,202,198,010.62
  5. Step 5: Solve for x
    x = 100,355,202,198,010.62/8,889,343.80
  6. Step 6: Final answer
    x = 11,289,382.48

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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.