Finding the Fourth Proportional to 19,273,082.99, 26,602,809.29 and 12,397,565.66
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Solution
The fourth proportional to 19,273,082.99, 26,602,809.29 and 12,397,565.66 is: 17,112,471.05
Step by Step Solution
- Step 1: Write the proportion equation
19,273,082.99 : 26,602,809.29 = 12,397,565.66 : x - Step 2: Convert to fraction form
19,273,082.99/26,602,809.29 = 12,397,565.66/x - Step 3: Cross multiply
19,273,082.99x = 26,602,809.29 × 12,397,565.66 - Step 4: Simplify right side
19,273,082.99x = 329,810,074,718,231.06 - Step 5: Solve for x
x = 329,810,074,718,231.06/19,273,082.99 - Step 6: Final answer
x = 17,112,471.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.