Finding the Fourth Proportional to 8,127,476.28, 11,213,647.02 and 6,403,251.96
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Solution
The fourth proportional to 8,127,476.28, 11,213,647.02 and 6,403,251.96 is: 8,834,699.09
Step by Step Solution
- Step 1: Write the proportion equation
8,127,476.28 : 11,213,647.02 = 6,403,251.96 : x - Step 2: Convert to fraction form
8,127,476.28/11,213,647.02 = 6,403,251.96/x - Step 3: Cross multiply
8,127,476.28x = 11,213,647.02 × 6,403,251.96 - Step 4: Simplify right side
8,127,476.28x = 71,803,807,259,563.16 - Step 5: Solve for x
x = 71,803,807,259,563.16/8,127,476.28 - Step 6: Final answer
x = 8,834,699.09
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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.