Finding the Fourth Proportional to 35,453,460.76, 48,929,537.30 and 20,781,454.24
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Solution
The fourth proportional to 35,453,460.76, 48,929,537.30 and 20,781,454.24 is: 28,680,611.67
Step by Step Solution
- Step 1: Write the proportion equation
35,453,460.76 : 48,929,537.30 = 20,781,454.24 : x - Step 2: Convert to fraction form
35,453,460.76/48,929,537.30 = 20,781,454.24/x - Step 3: Cross multiply
35,453,460.76x = 48,929,537.30 × 20,781,454.24 - Step 4: Simplify right side
35,453,460.76x = 1,016,826,940,384,323 - Step 5: Solve for x
x = 1,016,826,940,384,323/35,453,460.76 - Step 6: Final answer
x = 28,680,611.67
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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.