Finding the Fourth Proportional to 15,449,489.60, 23,176,999.20 and 6,474,948.80
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Solution
The fourth proportional to 15,449,489.60, 23,176,999.20 and 6,474,948.80 is: 9,713,581.94
Step by Step Solution
- Step 1: Write the proportion equation
15,449,489.60 : 23,176,999.20 = 6,474,948.80 : x - Step 2: Convert to fraction form
15,449,489.60/23,176,999.20 = 6,474,948.80/x - Step 3: Cross multiply
15,449,489.60x = 23,176,999.20 × 6,474,948.80 - Step 4: Simplify right side
15,449,489.60x = 150,069,883,157,640.94 - Step 5: Solve for x
x = 150,069,883,157,640.94/15,449,489.60 - Step 6: Final answer
x = 9,713,581.94
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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.