Finding the Fourth Proportional to 11,851,611.48, 16,356,551.85 and 6,695,305.38
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Solution
The fourth proportional to 11,851,611.48, 16,356,551.85 and 6,695,305.38 is: 9,240,271.65
Step by Step Solution
- Step 1: Write the proportion equation
11,851,611.48 : 16,356,551.85 = 6,695,305.38 : x - Step 2: Convert to fraction form
11,851,611.48/16,356,551.85 = 6,695,305.38/x - Step 3: Cross multiply
11,851,611.48x = 16,356,551.85 × 6,695,305.38 - Step 4: Simplify right side
11,851,611.48x = 109,512,109,599,553.95 - Step 5: Solve for x
x = 109,512,109,599,553.95/11,851,611.48 - Step 6: Final answer
x = 9,240,271.65
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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.