Finding the Fourth Proportional to 18,423,766.98, 27,659,598.21 and 14,166,924.66
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Solution
The fourth proportional to 18,423,766.98, 27,659,598.21 and 14,166,924.66 is: 21,268,801.56
Step by Step Solution
- Step 1: Write the proportion equation
18,423,766.98 : 27,659,598.21 = 14,166,924.66 : x - Step 2: Convert to fraction form
18,423,766.98/27,659,598.21 = 14,166,924.66/x - Step 3: Cross multiply
18,423,766.98x = 27,659,598.21 × 14,166,924.66 - Step 4: Simplify right side
18,423,766.98x = 391,851,443,966,940.88 - Step 5: Solve for x
x = 391,851,443,966,940.88/18,423,766.98 - Step 6: Final answer
x = 21,268,801.56
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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.