Finding the Fourth Proportional to 28,015,853.70, 41,984,414.55 and 22,268,417.70
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Solution
The fourth proportional to 28,015,853.70, 41,984,414.55 and 22,268,417.70 is: 33,371,336.46
Step by Step Solution
- Step 1: Write the proportion equation
28,015,853.70 : 41,984,414.55 = 22,268,417.70 : x - Step 2: Convert to fraction form
28,015,853.70/41,984,414.55 = 22,268,417.70/x - Step 3: Cross multiply
28,015,853.70x = 41,984,414.55 × 22,268,417.70 - Step 4: Simplify right side
28,015,853.70x = 934,926,480,089,357.38 - Step 5: Solve for x
x = 934,926,480,089,357.38/28,015,853.70 - Step 6: Final answer
x = 33,371,336.46
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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.