Finding the Fourth Proportional to 23,639,876.34, 32,621,623.84 and 13,715,990.20
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Solution
The fourth proportional to 23,639,876.34, 32,621,623.84 and 13,715,990.20 is: 18,927,250.99
Step by Step Solution
- Step 1: Write the proportion equation
23,639,876.34 : 32,621,623.84 = 13,715,990.20 : x - Step 2: Convert to fraction form
23,639,876.34/32,621,623.84 = 13,715,990.20/x - Step 3: Cross multiply
23,639,876.34x = 32,621,623.84 × 13,715,990.20 - Step 4: Simplify right side
23,639,876.34x = 447,437,872,897,526.31 - Step 5: Solve for x
x = 447,437,872,897,526.31/23,639,876.34 - Step 6: Final answer
x = 18,927,250.99
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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.