Finding the Fourth Proportional to 10,992,367.35, 16,480,579.41 and 7,389,197.37
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Solution
The fourth proportional to 10,992,367.35, 16,480,579.41 and 7,389,197.37 is: 11,078,437.44
Step by Step Solution
- Step 1: Write the proportion equation
10,992,367.35 : 16,480,579.41 = 7,389,197.37 : x - Step 2: Convert to fraction form
10,992,367.35/16,480,579.41 = 7,389,197.37/x - Step 3: Cross multiply
10,992,367.35x = 16,480,579.41 × 7,389,197.37 - Step 4: Simplify right side
10,992,367.35x = 121,778,254,032,448.16 - Step 5: Solve for x
x = 121,778,254,032,448.16/10,992,367.35 - Step 6: Final answer
x = 11,078,437.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.