Finding the Fourth Proportional to 28,758,297.48, 39,686,720.84 and 16,367,783.38
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Solution
The fourth proportional to 28,758,297.48, 39,686,720.84 and 16,367,783.38 is: 22,587,694.92
Step by Step Solution
- Step 1: Write the proportion equation
28,758,297.48 : 39,686,720.84 = 16,367,783.38 : x - Step 2: Convert to fraction form
28,758,297.48/39,686,720.84 = 16,367,783.38/x - Step 3: Cross multiply
28,758,297.48x = 39,686,720.84 × 16,367,783.38 - Step 4: Simplify right side
28,758,297.48x = 649,583,649,771,651.75 - Step 5: Solve for x
x = 649,583,649,771,651.75/28,758,297.48 - Step 6: Final answer
x = 22,587,694.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.