Finding the Fourth Proportional to 39,128,149.73, 58,703,584.08 and 15,772,839.62
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Solution
The fourth proportional to 39,128,149.73, 58,703,584.08 and 15,772,839.62 is: 23,663,838.52
Step by Step Solution
- Step 1: Write the proportion equation
39,128,149.73 : 58,703,584.08 = 15,772,839.62 : x - Step 2: Convert to fraction form
39,128,149.73/58,703,584.08 = 15,772,839.62/x - Step 3: Cross multiply
39,128,149.73x = 58,703,584.08 × 15,772,839.62 - Step 4: Simplify right side
39,128,149.73x = 925,922,216,534,286.50 - Step 5: Solve for x
x = 925,922,216,534,286.50/39,128,149.73 - Step 6: Final answer
x = 23,663,838.52
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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.