Finding the Fourth Proportional to 13,651,648.26, 20,478,697.11 and 3,554,356.74
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Solution
The fourth proportional to 13,651,648.26, 20,478,697.11 and 3,554,356.74 is: 5,331,853.98
Step by Step Solution
- Step 1: Write the proportion equation
13,651,648.26 : 20,478,697.11 = 3,554,356.74 : x - Step 2: Convert to fraction form
13,651,648.26/20,478,697.11 = 3,554,356.74/x - Step 3: Cross multiply
13,651,648.26x = 20,478,697.11 × 3,554,356.74 - Step 4: Simplify right side
13,651,648.26x = 72,788,595,099,347.03 - Step 5: Solve for x
x = 72,788,595,099,347.03/13,651,648.26 - Step 6: Final answer
x = 5,331,853.98
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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.