Finding the Fourth Proportional to 19,209,007.77, 26,517,364.18 and 11,366,053.98
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Solution
The fourth proportional to 19,209,007.77, 26,517,364.18 and 11,366,053.98 is: 15,690,440.46
Step by Step Solution
- Step 1: Write the proportion equation
19,209,007.77 : 26,517,364.18 = 11,366,053.98 : x - Step 2: Convert to fraction form
19,209,007.77/26,517,364.18 = 11,366,053.98/x - Step 3: Cross multiply
19,209,007.77x = 26,517,364.18 × 11,366,053.98 - Step 4: Simplify right side
19,209,007.77x = 301,397,792,639,890.69 - Step 5: Solve for x
x = 301,397,792,639,890.69/19,209,007.77 - Step 6: Final answer
x = 15,690,440.46
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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.