Finding the Fourth Proportional to 10,791,268.07, 16,157,895.93 and 8,220,235.37
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Solution
The fourth proportional to 10,791,268.07, 16,157,895.93 and 8,220,235.37 is: 12,308,257.63
Step by Step Solution
- Step 1: Write the proportion equation
10,791,268.07 : 16,157,895.93 = 8,220,235.37 : x - Step 2: Convert to fraction form
10,791,268.07/16,157,895.93 = 8,220,235.37/x - Step 3: Cross multiply
10,791,268.07x = 16,157,895.93 × 8,220,235.37 - Step 4: Simplify right side
10,791,268.07x = 132,821,707,547,775.56 - Step 5: Solve for x
x = 132,821,707,547,775.56/10,791,268.07 - Step 6: Final answer
x = 12,308,257.63
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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.