Finding the Fourth Proportional to 52,414,456.62, 72,328,772.70 and 28,891,964.70
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Solution
The fourth proportional to 52,414,456.62, 72,328,772.70 and 28,891,964.70 is: 39,869,159.82
Step by Step Solution
- Step 1: Write the proportion equation
52,414,456.62 : 72,328,772.70 = 28,891,964.70 : x - Step 2: Convert to fraction form
52,414,456.62/72,328,772.70 = 28,891,964.70/x - Step 3: Cross multiply
52,414,456.62x = 72,328,772.70 × 28,891,964.70 - Step 4: Simplify right side
52,414,456.62x = 2,089,720,347,642,723.75 - Step 5: Solve for x
x = 2,089,720,347,642,723.75/52,414,456.62 - Step 6: Final answer
x = 39,869,159.82
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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.