Finding the Fourth Proportional to 34,203,137.46, 47,201,093.74 and 19,518,511.38
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Solution
The fourth proportional to 34,203,137.46, 47,201,093.74 and 19,518,511.38 is: 26,935,981.72
Step by Step Solution
- Step 1: Write the proportion equation
34,203,137.46 : 47,201,093.74 = 19,518,511.38 : x - Step 2: Convert to fraction form
34,203,137.46/47,201,093.74 = 19,518,511.38/x - Step 3: Cross multiply
34,203,137.46x = 47,201,093.74 × 19,518,511.38 - Step 4: Simplify right side
34,203,137.46x = 921,295,085,312,636.75 - Step 5: Solve for x
x = 921,295,085,312,636.75/34,203,137.46 - Step 6: Final answer
x = 26,935,981.72
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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.