Finding the Fourth Proportional to 51,343,512.48, 76,999,008.78 and 16,791,931.08
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Solution
The fourth proportional to 51,343,512.48, 76,999,008.78 and 16,791,931.08 is: 25,182,578.80
Step by Step Solution
- Step 1: Write the proportion equation
51,343,512.48 : 76,999,008.78 = 16,791,931.08 : x - Step 2: Convert to fraction form
51,343,512.48/76,999,008.78 = 16,791,931.08/x - Step 3: Cross multiply
51,343,512.48x = 76,999,008.78 × 16,791,931.08 - Step 4: Simplify right side
51,343,512.48x = 1,292,962,048,662,074.75 - Step 5: Solve for x
x = 1,292,962,048,662,074.75/51,343,512.48 - Step 6: Final answer
x = 25,182,578.80
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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.