Finding the Fourth Proportional to 10,992,366.98, 16,480,578.85 and 7,389,197.00
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Solution
The fourth proportional to 10,992,366.98, 16,480,578.85 and 7,389,197.00 is: 11,078,436.88
Step by Step Solution
- Step 1: Write the proportion equation
10,992,366.98 : 16,480,578.85 = 7,389,197.00 : x - Step 2: Convert to fraction form
10,992,366.98/16,480,578.85 = 7,389,197.00/x - Step 3: Cross multiply
10,992,366.98x = 16,480,578.85 × 7,389,197.00 - Step 4: Simplify right side
10,992,366.98x = 121,778,243,695,807.56 - Step 5: Solve for x
x = 121,778,243,695,807.56/10,992,366.98 - Step 6: Final answer
x = 11,078,436.88
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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.