Finding the Fourth Proportional to 18,426,682.65, 27,532,083.02 and 17,782,261.99
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Solution
The fourth proportional to 18,426,682.65, 27,532,083.02 and 17,782,261.99 is: 26,569,226.95
Step by Step Solution
- Step 1: Write the proportion equation
18,426,682.65 : 27,532,083.02 = 17,782,261.99 : x - Step 2: Convert to fraction form
18,426,682.65/27,532,083.02 = 17,782,261.99/x - Step 3: Cross multiply
18,426,682.65x = 27,532,083.02 × 17,782,261.99 - Step 4: Simplify right side
18,426,682.65x = 489,582,713,234,328.94 - Step 5: Solve for x
x = 489,582,713,234,328.94/18,426,682.65 - Step 6: Final answer
x = 26,569,226.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.