Finding the Fourth Proportional to 7,691,380.92, 10,612,926.64 and 4,427,564.98
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Solution
The fourth proportional to 7,691,380.92, 10,612,926.64 and 4,427,564.98 is: 6,109,360.96
Step by Step Solution
- Step 1: Write the proportion equation
7,691,380.92 : 10,612,926.64 = 4,427,564.98 : x - Step 2: Convert to fraction form
7,691,380.92/10,612,926.64 = 4,427,564.98/x - Step 3: Cross multiply
7,691,380.92x = 10,612,926.64 × 4,427,564.98 - Step 4: Simplify right side
7,691,380.92x = 46,989,422,326,573.08 - Step 5: Solve for x
x = 46,989,422,326,573.08/7,691,380.92 - Step 6: Final answer
x = 6,109,360.96
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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.