Finding the Fourth Proportional to 11,889,477.15, 16,407,476.88 and 6,733,835.06
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Solution
The fourth proportional to 11,889,477.15, 16,407,476.88 and 6,733,835.06 is: 9,292,691.48
Step by Step Solution
- Step 1: Write the proportion equation
11,889,477.15 : 16,407,476.88 = 6,733,835.06 : x - Step 2: Convert to fraction form
11,889,477.15/16,407,476.88 = 6,733,835.06/x - Step 3: Cross multiply
11,889,477.15x = 16,407,476.88 × 6,733,835.06 - Step 4: Simplify right side
11,889,477.15x = 110,485,242,978,646.03 - Step 5: Solve for x
x = 110,485,242,978,646.03/11,889,477.15 - Step 6: Final answer
x = 9,292,691.48
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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.