Finding the Fourth Proportional to 16,626,231.60, 24,939,347.40 and 15,702,442.80
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Solution
The fourth proportional to 16,626,231.60, 24,939,347.40 and 15,702,442.80 is: 23,553,664.20
Step by Step Solution
- Step 1: Write the proportion equation
16,626,231.60 : 24,939,347.40 = 15,702,442.80 : x - Step 2: Convert to fraction form
16,626,231.60/24,939,347.40 = 15,702,442.80/x - Step 3: Cross multiply
16,626,231.60x = 24,939,347.40 × 15,702,442.80 - Step 4: Simplify right side
16,626,231.60x = 391,608,676,017,828.69 - Step 5: Solve for x
x = 391,608,676,017,828.69/16,626,231.60 - Step 6: Final answer
x = 23,553,664.20
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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.