Finding the Fourth Proportional to 11,246,787.60, 15,520,640.76 and 6,090,149.56
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Solution
The fourth proportional to 11,246,787.60, 15,520,640.76 and 6,090,149.56 is: 8,404,446.39
Step by Step Solution
- Step 1: Write the proportion equation
11,246,787.60 : 15,520,640.76 = 6,090,149.56 : x - Step 2: Convert to fraction form
11,246,787.60/15,520,640.76 = 6,090,149.56/x - Step 3: Cross multiply
11,246,787.60x = 15,520,640.76 × 6,090,149.56 - Step 4: Simplify right side
11,246,787.60x = 94,523,023,495,432.06 - Step 5: Solve for x
x = 94,523,023,495,432.06/11,246,787.60 - Step 6: Final answer
x = 8,404,446.39
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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.