Finding the Fourth Proportional to 28,530,044.16, 39,371,460.24 and 16,307,163.84
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Solution
The fourth proportional to 28,530,044.16, 39,371,460.24 and 16,307,163.84 is: 22,503,885.70
Step by Step Solution
- Step 1: Write the proportion equation
28,530,044.16 : 39,371,460.24 = 16,307,163.84 : x - Step 2: Convert to fraction form
28,530,044.16/39,371,460.24 = 16,307,163.84/x - Step 3: Cross multiply
28,530,044.16x = 39,371,460.24 × 16,307,163.84 - Step 4: Simplify right side
28,530,044.16x = 642,036,852,753,725.75 - Step 5: Solve for x
x = 642,036,852,753,725.75/28,530,044.16 - Step 6: Final answer
x = 22,503,885.70
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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.