Finding the Fourth Proportional to 9,643,993.20, 14,482,578.60 and 6,823,897.20
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Solution
The fourth proportional to 9,643,993.20, 14,482,578.60 and 6,823,897.20 is: 10,247,583.70
Step by Step Solution
- Step 1: Write the proportion equation
9,643,993.20 : 14,482,578.60 = 6,823,897.20 : x - Step 2: Convert to fraction form
9,643,993.20/14,482,578.60 = 6,823,897.20/x - Step 3: Cross multiply
9,643,993.20x = 14,482,578.60 × 6,823,897.20 - Step 4: Simplify right side
9,643,993.20x = 98,827,627,557,319.92 - Step 5: Solve for x
x = 98,827,627,557,319.92/9,643,993.20 - Step 6: Final answer
x = 10,247,583.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.