Finding the Fourth Proportional to 39,167,025.58, 54,051,711.95 and 21,525,608.02
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Solution
The fourth proportional to 39,167,025.58, 54,051,711.95 and 21,525,608.02 is: 29,706,007.72
Step by Step Solution
- Step 1: Write the proportion equation
39,167,025.58 : 54,051,711.95 = 21,525,608.02 : x - Step 2: Convert to fraction form
39,167,025.58/54,051,711.95 = 21,525,608.02/x - Step 3: Cross multiply
39,167,025.58x = 54,051,711.95 × 21,525,608.02 - Step 4: Simplify right side
39,167,025.58x = 1,163,495,964,245,650 - Step 5: Solve for x
x = 1,163,495,964,245,650/39,167,025.58 - Step 6: Final answer
x = 29,706,007.72
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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.