Finding the Fourth Proportional to 7,276,951.80, 10,913,896.80 and 3,679,336.80
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Solution
The fourth proportional to 7,276,951.80, 10,913,896.80 and 3,679,336.80 is: 5,518,231.15
Step by Step Solution
- Step 1: Write the proportion equation
7,276,951.80 : 10,913,896.80 = 3,679,336.80 : x - Step 2: Convert to fraction form
7,276,951.80/10,913,896.80 = 3,679,336.80/x - Step 3: Cross multiply
7,276,951.80x = 10,913,896.80 × 3,679,336.80 - Step 4: Simplify right side
7,276,951.80x = 40,155,902,127,642.24 - Step 5: Solve for x
x = 40,155,902,127,642.24/7,276,951.80 - Step 6: Final answer
x = 5,518,231.15
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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.