Finding the Fourth Proportional to 15,195,416.80, 22,773,771.60 and 6,209,816.80
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Solution
The fourth proportional to 15,195,416.80, 22,773,771.60 and 6,209,816.80 is: 9,306,816.08
Step by Step Solution
- Step 1: Write the proportion equation
15,195,416.80 : 22,773,771.60 = 6,209,816.80 : x - Step 2: Convert to fraction form
15,195,416.80/22,773,771.60 = 6,209,816.80/x - Step 3: Cross multiply
15,195,416.80x = 22,773,771.60 × 6,209,816.80 - Step 4: Simplify right side
15,195,416.80x = 141,420,949,481,042.88 - Step 5: Solve for x
x = 141,420,949,481,042.88/15,195,416.80 - Step 6: Final answer
x = 9,306,816.08
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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.