Finding the Fourth Proportional to 19,820,235.18, 29,725,431.98 and 5,442,591
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Solution
The fourth proportional to 19,820,235.18, 29,725,431.98 and 5,442,591 is: 8,162,535.26
Step by Step Solution
- Step 1: Write the proportion equation
19,820,235.18 : 29,725,431.98 = 5,442,591 : x - Step 2: Convert to fraction form
19,820,235.18/29,725,431.98 = 5,442,591/x - Step 3: Cross multiply
19,820,235.18x = 29,725,431.98 × 5,442,591 - Step 4: Simplify right side
19,820,235.18x = 161,783,368,538,247.22 - Step 5: Solve for x
x = 161,783,368,538,247.22/19,820,235.18 - Step 6: Final answer
x = 8,162,535.26
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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.