Finding the Fourth Proportional to 8,497,178.88, 11,720,748.48 and 5,056,851.84
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Solution
The fourth proportional to 8,497,178.88, 11,720,748.48 and 5,056,851.84 is: 6,975,266.66
Step by Step Solution
- Step 1: Write the proportion equation
8,497,178.88 : 11,720,748.48 = 5,056,851.84 : x - Step 2: Convert to fraction form
8,497,178.88/11,720,748.48 = 5,056,851.84/x - Step 3: Cross multiply
8,497,178.88x = 11,720,748.48 × 5,056,851.84 - Step 4: Simplify right side
8,497,178.88x = 59,270,088,517,265.20 - Step 5: Solve for x
x = 59,270,088,517,265.20/8,497,178.88 - Step 6: Final answer
x = 6,975,266.66
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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.