Finding the Fourth Proportional to 16,128,410.10, 24,192,615.15 and 12,097,331.70
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Solution
The fourth proportional to 16,128,410.10, 24,192,615.15 and 12,097,331.70 is: 18,145,997.55
Step by Step Solution
- Step 1: Write the proportion equation
16,128,410.10 : 24,192,615.15 = 12,097,331.70 : x - Step 2: Convert to fraction form
16,128,410.10/24,192,615.15 = 12,097,331.70/x - Step 3: Cross multiply
16,128,410.10x = 24,192,615.15 × 12,097,331.70 - Step 4: Simplify right side
16,128,410.10x = 292,666,090,159,995.25 - Step 5: Solve for x
x = 292,666,090,159,995.25/16,128,410.10 - Step 6: Final answer
x = 18,145,997.55
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1.5x scale
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.