Finding the Fourth Proportional to 19,820,230.88, 29,725,425.56 and 5,442,586.70
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Solution
The fourth proportional to 19,820,230.88, 29,725,425.56 and 5,442,586.70 is: 8,162,528.82
Step by Step Solution
- Step 1: Write the proportion equation
19,820,230.88 : 29,725,425.56 = 5,442,586.70 : x - Step 2: Convert to fraction form
19,820,230.88/29,725,425.56 = 5,442,586.70/x - Step 3: Cross multiply
19,820,230.88x = 29,725,425.56 × 5,442,586.70 - Step 4: Simplify right side
19,820,230.88x = 161,783,205,804,696.06 - Step 5: Solve for x
x = 161,783,205,804,696.06/19,820,230.88 - Step 6: Final answer
x = 8,162,528.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.