Finding the Fourth Proportional to 11,476,098.36, 15,835,811.71 and 6,512,959.20
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Solution
The fourth proportional to 11,476,098.36, 15,835,811.71 and 6,512,959.20 is: 8,987,200.38
Step by Step Solution
- Step 1: Write the proportion equation
11,476,098.36 : 15,835,811.71 = 6,512,959.20 : x - Step 2: Convert to fraction form
11,476,098.36/15,835,811.71 = 6,512,959.20/x - Step 3: Cross multiply
11,476,098.36x = 15,835,811.71 × 6,512,959.20 - Step 4: Simplify right side
11,476,098.36x = 103,137,995,566,112.23 - Step 5: Solve for x
x = 103,137,995,566,112.23/11,476,098.36 - Step 6: Final answer
x = 8,987,200.38
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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.