Finding the Fourth Proportional to 11,336,399.16, 15,643,665.45 and 6,440,974.62
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Solution
The fourth proportional to 11,336,399.16, 15,643,665.45 and 6,440,974.62 is: 8,888,223.74
Step by Step Solution
- Step 1: Write the proportion equation
11,336,399.16 : 15,643,665.45 = 6,440,974.62 : x - Step 2: Convert to fraction form
11,336,399.16/15,643,665.45 = 6,440,974.62/x - Step 3: Cross multiply
11,336,399.16x = 15,643,665.45 × 6,440,974.62 - Step 4: Simplify right side
11,336,399.16x = 100,760,452,127,220.88 - Step 5: Solve for x
x = 100,760,452,127,220.88/11,336,399.16 - Step 6: Final answer
x = 8,888,223.74
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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.