Finding the Fourth Proportional to 32,494,279.80, 44,862,495.66 and 20,911,971.48
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Solution
The fourth proportional to 32,494,279.80, 44,862,495.66 and 20,911,971.48 is: 28,871,642.50
Step by Step Solution
- Step 1: Write the proportion equation
32,494,279.80 : 44,862,495.66 = 20,911,971.48 : x - Step 2: Convert to fraction form
32,494,279.80/44,862,495.66 = 20,911,971.48/x - Step 3: Cross multiply
32,494,279.80x = 44,862,495.66 × 20,911,971.48 - Step 4: Simplify right side
32,494,279.80x = 938,163,229,763,543.75 - Step 5: Solve for x
x = 938,163,229,763,543.75/32,494,279.80 - Step 6: Final answer
x = 28,871,642.50
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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.