Home / 20,555,552.80-30,823,069.47-6,720,709.33

Finding the Fourth Proportional to 20,555,552.80, 30,823,069.47 and 6,720,709.33

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Solution

The fourth proportional to 20,555,552.80, 30,823,069.47 and 6,720,709.33 is: 10,077,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,555,552.80 : 30,823,069.47 = 6,720,709.33 : x
  2. Step 2: Convert to fraction form
    20,555,552.80/30,823,069.47 = 6,720,709.33/x
  3. Step 3: Cross multiply
    20,555,552.80x = 30,823,069.47 × 6,720,709.33
  4. Step 4: Simplify right side
    20,555,552.80x = 207,152,890,566,267.16
  5. Step 5: Solve for x
    x = 207,152,890,566,267.16/20,555,552.80
  6. Step 6: Final answer
    x = 10,077,709.54

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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.