Finding the Fourth Proportional to 8,936,277.18, 12,331,075.75 and 5,015,133.96
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Solution
The fourth proportional to 8,936,277.18, 12,331,075.75 and 5,015,133.96 is: 6,920,331.09
Step by Step Solution
- Step 1: Write the proportion equation
8,936,277.18 : 12,331,075.75 = 5,015,133.96 : x - Step 2: Convert to fraction form
8,936,277.18/12,331,075.75 = 5,015,133.96/x - Step 3: Cross multiply
8,936,277.18x = 12,331,075.75 × 5,015,133.96 - Step 4: Simplify right side
8,936,277.18x = 61,841,996,757,157.47 - Step 5: Solve for x
x = 61,841,996,757,157.47/8,936,277.18 - Step 6: Final answer
x = 6,920,331.09
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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.