Finding the Fourth Proportional to 14,452,916.09, 19,946,285.62 and 7,927,806.70
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Solution
The fourth proportional to 14,452,916.09, 19,946,285.62 and 7,927,806.70 is: 10,941,065.16
Step by Step Solution
- Step 1: Write the proportion equation
14,452,916.09 : 19,946,285.62 = 7,927,806.70 : x - Step 2: Convert to fraction form
14,452,916.09/19,946,285.62 = 7,927,806.70/x - Step 3: Cross multiply
14,452,916.09x = 19,946,285.62 × 7,927,806.70 - Step 4: Simplify right side
14,452,916.09x = 158,130,296,678,618.25 - Step 5: Solve for x
x = 158,130,296,678,618.25/14,452,916.09 - Step 6: Final answer
x = 10,941,065.16
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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.