Finding the Fourth Proportional to 18,366,371.23, 27,553,542.65 and 5,586,543.78
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Solution
The fourth proportional to 18,366,371.23, 27,553,542.65 and 5,586,543.78 is: 8,381,028.04
Step by Step Solution
- Step 1: Write the proportion equation
18,366,371.23 : 27,553,542.65 = 5,586,543.78 : x - Step 2: Convert to fraction form
18,366,371.23/27,553,542.65 = 5,586,543.78/x - Step 3: Cross multiply
18,366,371.23x = 27,553,542.65 × 5,586,543.78 - Step 4: Simplify right side
18,366,371.23x = 153,929,072,223,457.78 - Step 5: Solve for x
x = 153,929,072,223,457.78/18,366,371.23 - Step 6: Final answer
x = 8,381,028.04
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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.