Finding the Fourth Proportional to 19,847,027.70, 29,763,543.15 and 9,069,491.70
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Solution
The fourth proportional to 19,847,027.70, 29,763,543.15 and 9,069,491.70 is: 13,601,039.49
Step by Step Solution
- Step 1: Write the proportion equation
19,847,027.70 : 29,763,543.15 = 9,069,491.70 : x - Step 2: Convert to fraction form
19,847,027.70/29,763,543.15 = 9,069,491.70/x - Step 3: Cross multiply
19,847,027.70x = 29,763,543.15 × 9,069,491.70 - Step 4: Simplify right side
19,847,027.70x = 269,940,207,561,516.81 - Step 5: Solve for x
x = 269,940,207,561,516.81/19,847,027.70 - Step 6: Final answer
x = 13,601,039.49
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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.