Finding the Fourth Proportional to 49,791,706.80, 74,687,560.20 and 15,716,497.20
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Solution
The fourth proportional to 49,791,706.80, 74,687,560.20 and 15,716,497.20 is: 23,574,745.80
Step by Step Solution
- Step 1: Write the proportion equation
49,791,706.80 : 74,687,560.20 = 15,716,497.20 : x - Step 2: Convert to fraction form
49,791,706.80/74,687,560.20 = 15,716,497.20/x - Step 3: Cross multiply
49,791,706.80x = 74,687,560.20 × 15,716,497.20 - Step 4: Simplify right side
49,791,706.80x = 1,173,826,830,758,131.50 - Step 5: Solve for x
x = 1,173,826,830,758,131.50/49,791,706.80 - Step 6: Final answer
x = 23,574,745.80
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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.