Home / 20,367,399.15-28,095,506.79-12,110,124.48

Finding the Fourth Proportional to 20,367,399.15, 28,095,506.79 and 12,110,124.48

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Solution

The fourth proportional to 20,367,399.15, 28,095,506.79 and 12,110,124.48 is: 16,705,131.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,367,399.15 : 28,095,506.79 = 12,110,124.48 : x
  2. Step 2: Convert to fraction form
    20,367,399.15/28,095,506.79 = 12,110,124.48/x
  3. Step 3: Cross multiply
    20,367,399.15x = 28,095,506.79 × 12,110,124.48
  4. Step 4: Simplify right side
    20,367,399.15x = 340,240,084,555,585.25
  5. Step 5: Solve for x
    x = 340,240,084,555,585.25/20,367,399.15
  6. Step 6: Final answer
    x = 16,705,131.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.