Finding the Fourth Proportional to 36,720,587.68, 55,082,674.80 and 13,997,249.44
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Solution
The fourth proportional to 36,720,587.68, 55,082,674.80 and 13,997,249.44 is: 20,996,557.73
Step by Step Solution
- Step 1: Write the proportion equation
36,720,587.68 : 55,082,674.80 = 13,997,249.44 : x - Step 2: Convert to fraction form
36,720,587.68/55,082,674.80 = 13,997,249.44/x - Step 3: Cross multiply
36,720,587.68x = 55,082,674.80 × 13,997,249.44 - Step 4: Simplify right side
36,720,587.68x = 771,005,938,998,002 - Step 5: Solve for x
x = 771,005,938,998,002/36,720,587.68 - Step 6: Final answer
x = 20,996,557.73
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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.