Finding the Fourth Proportional to 29,006,355.07, 40,029,912.12 and 15,954,828.42
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Solution
The fourth proportional to 29,006,355.07, 40,029,912.12 and 15,954,828.42 is: 22,018,291.43
Step by Step Solution
- Step 1: Write the proportion equation
29,006,355.07 : 40,029,912.12 = 15,954,828.42 : x - Step 2: Convert to fraction form
29,006,355.07/40,029,912.12 = 15,954,828.42/x - Step 3: Cross multiply
29,006,355.07x = 40,029,912.12 × 15,954,828.42 - Step 4: Simplify right side
29,006,355.07x = 638,670,379,369,623.88 - Step 5: Solve for x
x = 638,670,379,369,623.88/29,006,355.07 - Step 6: Final answer
x = 22,018,291.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.