Home / 20,903,511.51-31,355,255.66-6,527,811.33

Finding the Fourth Proportional to 20,903,511.51, 31,355,255.66 and 6,527,811.33

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Solution

The fourth proportional to 20,903,511.51, 31,355,255.66 and 6,527,811.33 is: 9,791,713.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,903,511.51 : 31,355,255.66 = 6,527,811.33 : x
  2. Step 2: Convert to fraction form
    20,903,511.51/31,355,255.66 = 6,527,811.33/x
  3. Step 3: Cross multiply
    20,903,511.51x = 31,355,255.66 × 6,527,811.33
  4. Step 4: Simplify right side
    20,903,511.51x = 204,681,193,119,755.59
  5. Step 5: Solve for x
    x = 204,681,193,119,755.59/20,903,511.51
  6. Step 6: Final answer
    x = 9,791,713.37

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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.