Finding the Fourth Proportional to 11,963,389.71, 16,509,545.06 and 6,806,751.26
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Solution
The fourth proportional to 11,963,389.71, 16,509,545.06 and 6,806,751.26 is: 9,393,355.00
Step by Step Solution
- Step 1: Write the proportion equation
11,963,389.71 : 16,509,545.06 = 6,806,751.26 : x - Step 2: Convert to fraction form
11,963,389.71/16,509,545.06 = 6,806,751.26/x - Step 3: Cross multiply
11,963,389.71x = 16,509,545.06 × 6,806,751.26 - Step 4: Simplify right side
11,963,389.71x = 112,376,366,522,600.30 - Step 5: Solve for x
x = 112,376,366,522,600.30/11,963,389.71 - Step 6: Final answer
x = 9,393,355.00
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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.