Finding the Fourth Proportional to 17,551,229.40, 26,326,844.10 and 15,983,587.80
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Solution
The fourth proportional to 17,551,229.40, 26,326,844.10 and 15,983,587.80 is: 23,975,381.70
Step by Step Solution
- Step 1: Write the proportion equation
17,551,229.40 : 26,326,844.10 = 15,983,587.80 : x - Step 2: Convert to fraction form
17,551,229.40/26,326,844.10 = 15,983,587.80/x - Step 3: Cross multiply
17,551,229.40x = 26,326,844.10 × 15,983,587.80 - Step 4: Simplify right side
17,551,229.40x = 420,797,424,169,262 - Step 5: Solve for x
x = 420,797,424,169,262/17,551,229.40 - Step 6: Final answer
x = 23,975,381.70
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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.