Finding the Fourth Proportional to 28,350,497.92, 39,121,656 and 15,959,950.72
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Solution
The fourth proportional to 28,350,497.92, 39,121,656 and 15,959,950.72 is: 22,023,588.57
Step by Step Solution
- Step 1: Write the proportion equation
28,350,497.92 : 39,121,656 = 15,959,950.72 : x - Step 2: Convert to fraction form
28,350,497.92/39,121,656 = 15,959,950.72/x - Step 3: Cross multiply
28,350,497.92x = 39,121,656 × 15,959,950.72 - Step 4: Simplify right side
28,350,497.92x = 624,379,701,844,792.38 - Step 5: Solve for x
x = 624,379,701,844,792.38/28,350,497.92 - Step 6: Final answer
x = 22,023,588.57
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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.