Finding the Fourth Proportional to 22,650,088.71, 33,974,915.99 and 13,421,418.11
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Solution
The fourth proportional to 22,650,088.71, 33,974,915.99 and 13,421,418.11 is: 20,131,998.53
Step by Step Solution
- Step 1: Write the proportion equation
22,650,088.71 : 33,974,915.99 = 13,421,418.11 : x - Step 2: Convert to fraction form
22,650,088.71/33,974,915.99 = 13,421,418.11/x - Step 3: Cross multiply
22,650,088.71x = 33,974,915.99 × 13,421,418.11 - Step 4: Simplify right side
22,650,088.71x = 455,991,552,516,932.94 - Step 5: Solve for x
x = 455,991,552,516,932.94/22,650,088.71 - Step 6: Final answer
x = 20,131,998.53
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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.