Finding the Fourth Proportional to 11,492,470.60, 17,241,038.70 and 3,920,201.80
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Solution
The fourth proportional to 11,492,470.60, 17,241,038.70 and 3,920,201.80 is: 5,881,098.44
Step by Step Solution
- Step 1: Write the proportion equation
11,492,470.60 : 17,241,038.70 = 3,920,201.80 : x - Step 2: Convert to fraction form
11,492,470.60/17,241,038.70 = 3,920,201.80/x - Step 3: Cross multiply
11,492,470.60x = 17,241,038.70 × 3,920,201.80 - Step 4: Simplify right side
11,492,470.60x = 67,588,350,945,609.66 - Step 5: Solve for x
x = 67,588,350,945,609.66/11,492,470.60 - Step 6: Final answer
x = 5,881,098.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.