Finding the Fourth Proportional to 16,128,375.60, 24,192,563.40 and 15,580,945.20
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Solution
The fourth proportional to 16,128,375.60, 24,192,563.40 and 15,580,945.20 is: 23,371,417.80
Step by Step Solution
- Step 1: Write the proportion equation
16,128,375.60 : 24,192,563.40 = 15,580,945.20 : x - Step 2: Convert to fraction form
16,128,375.60/24,192,563.40 = 15,580,945.20/x - Step 3: Cross multiply
16,128,375.60x = 24,192,563.40 × 15,580,945.20 - Step 4: Simplify right side
16,128,375.60x = 376,943,004,582,925.62 - Step 5: Solve for x
x = 376,943,004,582,925.62/16,128,375.60 - Step 6: Final answer
x = 23,371,417.80
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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.