Home / 10,903,516.40-16,355,128.80-3,330,518.60

Finding the Fourth Proportional to 10,903,516.40, 16,355,128.80 and 3,330,518.60

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Solution

The fourth proportional to 10,903,516.40, 16,355,128.80 and 3,330,518.60 is: 4,995,733.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903,516.40 : 16,355,128.80 = 3,330,518.60 : x
  2. Step 2: Convert to fraction form
    10,903,516.40/16,355,128.80 = 3,330,518.60/x
  3. Step 3: Cross multiply
    10,903,516.40x = 16,355,128.80 × 3,330,518.60
  4. Step 4: Simplify right side
    10,903,516.40x = 54,471,060,673,795.69
  5. Step 5: Solve for x
    x = 54,471,060,673,795.69/10,903,516.40
  6. Step 6: Final answer
    x = 4,995,733.36

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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.