Finding the Fourth Proportional to 19,307,268.20, 26,622,195.99 and 12,328,769.90
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Solution
The fourth proportional to 19,307,268.20, 26,622,195.99 and 12,328,769.90 is: 16,999,760.15
Step by Step Solution
- Step 1: Write the proportion equation
19,307,268.20 : 26,622,195.99 = 12,328,769.90 : x - Step 2: Convert to fraction form
19,307,268.20/26,622,195.99 = 12,328,769.90/x - Step 3: Cross multiply
19,307,268.20x = 26,622,195.99 × 12,328,769.90 - Step 4: Simplify right side
19,307,268.20x = 328,218,928,613,735.25 - Step 5: Solve for x
x = 328,218,928,613,735.25/19,307,268.20 - Step 6: Final answer
x = 16,999,760.15
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.