Finding the Fourth Proportional to 28,592,292.42, 39,463,102.26 and 16,987,621.68
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Solution
The fourth proportional to 28,592,292.42, 39,463,102.26 and 16,987,621.68 is: 23,446,327.48
Step by Step Solution
- Step 1: Write the proportion equation
28,592,292.42 : 39,463,102.26 = 16,987,621.68 : x - Step 2: Convert to fraction form
28,592,292.42/39,463,102.26 = 16,987,621.68/x - Step 3: Cross multiply
28,592,292.42x = 39,463,102.26 × 16,987,621.68 - Step 4: Simplify right side
28,592,292.42x = 670,384,251,512,033 - Step 5: Solve for x
x = 670,384,251,512,033/28,592,292.42 - Step 6: Final answer
x = 23,446,327.48
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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.