Finding the Fourth Proportional to 10,202,916.51, 14,080,661.46 and 5,619,236.67
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Solution
The fourth proportional to 10,202,916.51, 14,080,661.46 and 5,619,236.67 is: 7,754,897.25
Step by Step Solution
- Step 1: Write the proportion equation
10,202,916.51 : 14,080,661.46 = 5,619,236.67 : x - Step 2: Convert to fraction form
10,202,916.51/14,080,661.46 = 5,619,236.67/x - Step 3: Cross multiply
10,202,916.51x = 14,080,661.46 × 5,619,236.67 - Step 4: Simplify right side
10,202,916.51x = 79,122,569,213,887.73 - Step 5: Solve for x
x = 79,122,569,213,887.73/10,202,916.51 - Step 6: Final answer
x = 7,754,897.25
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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.