Finding the Fourth Proportional to 39,323,321.40, 54,289,434.90 and 34,960,335.99
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Solution
The fourth proportional to 39,323,321.40, 54,289,434.90 and 34,960,335.99 is: 48,265,935.25
Step by Step Solution
- Step 1: Write the proportion equation
39,323,321.40 : 54,289,434.90 = 34,960,335.99 : x - Step 2: Convert to fraction form
39,323,321.40/54,289,434.90 = 34,960,335.99/x - Step 3: Cross multiply
39,323,321.40x = 54,289,434.90 × 34,960,335.99 - Step 4: Simplify right side
39,323,321.40x = 1,897,976,884,738,748 - Step 5: Solve for x
x = 1,897,976,884,738,748/39,323,321.40 - Step 6: Final answer
x = 48,265,935.25
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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.