Finding the Fourth Proportional to 49,926,566.80, 74,889,850.20 and 12,104,102.80
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Solution
The fourth proportional to 49,926,566.80, 74,889,850.20 and 12,104,102.80 is: 18,156,154.20
Step by Step Solution
- Step 1: Write the proportion equation
49,926,566.80 : 74,889,850.20 = 12,104,102.80 : x - Step 2: Convert to fraction form
49,926,566.80/74,889,850.20 = 12,104,102.80/x - Step 3: Cross multiply
49,926,566.80x = 74,889,850.20 × 12,104,102.80 - Step 4: Simplify right side
49,926,566.80x = 906,474,445,497,400.62 - Step 5: Solve for x
x = 906,474,445,497,400.62/49,926,566.80 - Step 6: Final answer
x = 18,156,154.20
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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.