Finding the Fourth Proportional to 20,641,656.52, 30,962,583.87 and 6,264,849.07
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Solution
The fourth proportional to 20,641,656.52, 30,962,583.87 and 6,264,849.07 is: 9,397,303.68
Step by Step Solution
- Step 1: Write the proportion equation
20,641,656.52 : 30,962,583.87 = 6,264,849.07 : x - Step 2: Convert to fraction form
20,641,656.52/30,962,583.87 = 6,264,849.07/x - Step 3: Cross multiply
20,641,656.52x = 30,962,583.87 × 6,264,849.07 - Step 4: Simplify right side
20,641,656.52x = 193,975,914,762,766.53 - Step 5: Solve for x
x = 193,975,914,762,766.53/20,641,656.52 - Step 6: Final answer
x = 9,397,303.68
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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.