Finding the Fourth Proportional to 16,128,625.60, 24,203,997.60 and 7,159,614.40
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Solution
The fourth proportional to 16,128,625.60, 24,203,997.60 and 7,159,614.40 is: 10,744,330.86
Step by Step Solution
- Step 1: Write the proportion equation
16,128,625.60 : 24,203,997.60 = 7,159,614.40 : x - Step 2: Convert to fraction form
16,128,625.60/24,203,997.60 = 7,159,614.40/x - Step 3: Cross multiply
16,128,625.60x = 24,203,997.60 × 7,159,614.40 - Step 4: Simplify right side
16,128,625.60x = 173,291,289,754,525.47 - Step 5: Solve for x
x = 173,291,289,754,525.47/16,128,625.60 - Step 6: Final answer
x = 10,744,330.86
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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.