Finding the Fourth Proportional to 18,366,384.18, 27,553,562.04 and 5,586,556.71
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Solution
The fourth proportional to 18,366,384.18, 27,553,562.04 and 5,586,556.71 is: 8,381,047.43
Step by Step Solution
- Step 1: Write the proportion equation
18,366,384.18 : 27,553,562.04 = 5,586,556.71 : x - Step 2: Convert to fraction form
18,366,384.18/27,553,562.04 = 5,586,556.71/x - Step 3: Cross multiply
18,366,384.18x = 27,553,562.04 × 5,586,556.71 - Step 4: Simplify right side
18,366,384.18x = 153,929,536,898,963.28 - Step 5: Solve for x
x = 153,929,536,898,963.28/18,366,384.18 - Step 6: Final answer
x = 8,381,047.43
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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.