Finding the Fourth Proportional to 39,182,076.42, 58,645,223.97 and 28,804,548.42
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Solution
The fourth proportional to 39,182,076.42, 58,645,223.97 and 28,804,548.42 is: 43,112,804.32
Step by Step Solution
- Step 1: Write the proportion equation
39,182,076.42 : 58,645,223.97 = 28,804,548.42 : x - Step 2: Convert to fraction form
39,182,076.42/58,645,223.97 = 28,804,548.42/x - Step 3: Cross multiply
39,182,076.42x = 58,645,223.97 × 28,804,548.42 - Step 4: Simplify right side
39,182,076.42x = 1,689,249,193,445,609.75 - Step 5: Solve for x
x = 1,689,249,193,445,609.75/39,182,076.42 - Step 6: Final answer
x = 43,112,804.32
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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.