Finding the Fourth Proportional to 19,817,108.10, 29,718,530.69 and 6,859,738.17
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Solution
The fourth proportional to 19,817,108.10, 29,718,530.69 and 6,859,738.17 is: 10,287,138.68
Step by Step Solution
- Step 1: Write the proportion equation
19,817,108.10 : 29,718,530.69 = 6,859,738.17 : x - Step 2: Convert to fraction form
19,817,108.10/29,718,530.69 = 6,859,738.17/x - Step 3: Cross multiply
19,817,108.10x = 29,718,530.69 × 6,859,738.17 - Step 4: Simplify right side
19,817,108.10x = 203,861,339,296,210.75 - Step 5: Solve for x
x = 203,861,339,296,210.75/19,817,108.10 - Step 6: Final answer
x = 10,287,138.68
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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.