Finding the Fourth Proportional to 38,415,913.08, 57,623,968.31 and 15,696,810.33
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Solution
The fourth proportional to 38,415,913.08, 57,623,968.31 and 15,696,810.33 is: 23,545,255.82
Step by Step Solution
- Step 1: Write the proportion equation
38,415,913.08 : 57,623,968.31 = 15,696,810.33 : x - Step 2: Convert to fraction form
38,415,913.08/57,623,968.31 = 15,696,810.33/x - Step 3: Cross multiply
38,415,913.08x = 57,623,968.31 × 15,696,810.33 - Step 4: Simplify right side
38,415,913.08x = 904,512,500,945,516.62 - Step 5: Solve for x
x = 904,512,500,945,516.62/38,415,913.08 - Step 6: Final answer
x = 23,545,255.82
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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.