Finding the Fourth Proportional to 7,680,423.36, 10,598,297.04 and 4,416,369.60
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Solution
The fourth proportional to 7,680,423.36, 10,598,297.04 and 4,416,369.60 is: 6,094,194.90
Step by Step Solution
- Step 1: Write the proportion equation
7,680,423.36 : 10,598,297.04 = 4,416,369.60 : x - Step 2: Convert to fraction form
7,680,423.36/10,598,297.04 = 4,416,369.60/x - Step 3: Cross multiply
7,680,423.36x = 10,598,297.04 × 4,416,369.60 - Step 4: Simplify right side
7,680,423.36x = 46,805,996,859,225.98 - Step 5: Solve for x
x = 46,805,996,859,225.98/7,680,423.36 - Step 6: Final answer
x = 6,094,194.90
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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.