Home / 20,583,228.85-30,884,271.78-8,915,169.07

Finding the Fourth Proportional to 20,583,228.85, 30,884,271.78 and 8,915,169.07

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Solution

The fourth proportional to 20,583,228.85, 30,884,271.78 and 8,915,169.07 is: 13,376,837.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583,228.85 : 30,884,271.78 = 8,915,169.07 : x
  2. Step 2: Convert to fraction form
    20,583,228.85/30,884,271.78 = 8,915,169.07/x
  3. Step 3: Cross multiply
    20,583,228.85x = 30,884,271.78 × 8,915,169.07
  4. Step 4: Simplify right side
    20,583,228.85x = 275,338,504,522,529.88
  5. Step 5: Solve for x
    x = 275,338,504,522,529.88/20,583,228.85
  6. Step 6: Final answer
    x = 13,376,837.35

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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.