Finding the Fourth Proportional to 17,838,286.80, 26,757,430.20 and 4,375,114.80
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Solution
The fourth proportional to 17,838,286.80, 26,757,430.20 and 4,375,114.80 is: 6,562,672.20
Step by Step Solution
- Step 1: Write the proportion equation
17,838,286.80 : 26,757,430.20 = 4,375,114.80 : x - Step 2: Convert to fraction form
17,838,286.80/26,757,430.20 = 4,375,114.80/x - Step 3: Cross multiply
17,838,286.80x = 26,757,430.20 × 4,375,114.80 - Step 4: Simplify right side
17,838,286.80x = 117,066,828,877,986.95 - Step 5: Solve for x
x = 117,066,828,877,986.95/17,838,286.80 - Step 6: Final answer
x = 6,562,672.20
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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.