Finding the Fourth Proportional to 19,640,312.70, 29,460,471.37 and 5,993,530.61
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Solution
The fourth proportional to 19,640,312.70, 29,460,471.37 and 5,993,530.61 is: 8,990,296.62
Step by Step Solution
- Step 1: Write the proportion equation
19,640,312.70 : 29,460,471.37 = 5,993,530.61 : x - Step 2: Convert to fraction form
19,640,312.70/29,460,471.37 = 5,993,530.61/x - Step 3: Cross multiply
19,640,312.70x = 29,460,471.37 × 5,993,530.61 - Step 4: Simplify right side
19,640,312.70x = 176,572,236,941,123.66 - Step 5: Solve for x
x = 176,572,236,941,123.66/19,640,312.70 - Step 6: Final answer
x = 8,990,296.62
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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.