Finding the Fourth Proportional to 19,533,219.35, 29,305,927.13 and 11,760,653.75
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Solution
The fourth proportional to 19,533,219.35, 29,305,927.13 and 11,760,653.75 is: 17,644,652.20
Step by Step Solution
- Step 1: Write the proportion equation
19,533,219.35 : 29,305,927.13 = 11,760,653.75 : x - Step 2: Convert to fraction form
19,533,219.35/29,305,927.13 = 11,760,653.75/x - Step 3: Cross multiply
19,533,219.35x = 29,305,927.13 × 11,760,653.75 - Step 4: Simplify right side
19,533,219.35x = 344,656,861,593,328.31 - Step 5: Solve for x
x = 344,656,861,593,328.31/19,533,219.35 - Step 6: Final answer
x = 17,644,652.20
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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.