Finding the Fourth Proportional to 17,639,683.86, 24,286,454.42 and 15,050,975.70
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Solution
The fourth proportional to 17,639,683.86, 24,286,454.42 and 15,050,975.70 is: 20,722,300.82
Step by Step Solution
- Step 1: Write the proportion equation
17,639,683.86 : 24,286,454.42 = 15,050,975.70 : x - Step 2: Convert to fraction form
17,639,683.86/24,286,454.42 = 15,050,975.70/x - Step 3: Cross multiply
17,639,683.86x = 24,286,454.42 × 15,050,975.70 - Step 4: Simplify right side
17,639,683.86x = 365,534,835,314,577.62 - Step 5: Solve for x
x = 365,534,835,314,577.62/17,639,683.86 - Step 6: Final answer
x = 20,722,300.82
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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.