Finding the Fourth Proportional to 24,272,685.68, 33,494,961.88 and 13,257,242.16
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Solution
The fourth proportional to 24,272,685.68, 33,494,961.88 and 13,257,242.16 is: 18,294,259.92
Step by Step Solution
- Step 1: Write the proportion equation
24,272,685.68 : 33,494,961.88 = 13,257,242.16 : x - Step 2: Convert to fraction form
24,272,685.68/33,494,961.88 = 13,257,242.16/x - Step 3: Cross multiply
24,272,685.68x = 33,494,961.88 × 13,257,242.16 - Step 4: Simplify right side
24,272,685.68x = 444,050,820,783,128.88 - Step 5: Solve for x
x = 444,050,820,783,128.88/24,272,685.68 - Step 6: Final answer
x = 18,294,259.92
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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.