Finding the Fourth Proportional to 11,016,289.26, 15,202,175.85 and 6,121,384.74
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Solution
The fourth proportional to 11,016,289.26, 15,202,175.85 and 6,121,384.74 is: 8,447,342.39
Step by Step Solution
- Step 1: Write the proportion equation
11,016,289.26 : 15,202,175.85 = 6,121,384.74 : x - Step 2: Convert to fraction form
11,016,289.26/15,202,175.85 = 6,121,384.74/x - Step 3: Cross multiply
11,016,289.26x = 15,202,175.85 × 6,121,384.74 - Step 4: Simplify right side
11,016,289.26x = 93,058,367,262,986.53 - Step 5: Solve for x
x = 93,058,367,262,986.53/11,016,289.26 - Step 6: Final answer
x = 8,447,342.39
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1.5x scale
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.