Finding the Fourth Proportional to 7,127,409.04, 9,835,793.48 and 3,864,213.68
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Solution
The fourth proportional to 7,127,409.04, 9,835,793.48 and 3,864,213.68 is: 5,332,598.07
Step by Step Solution
- Step 1: Write the proportion equation
7,127,409.04 : 9,835,793.48 = 3,864,213.68 : x - Step 2: Convert to fraction form
7,127,409.04/9,835,793.48 = 3,864,213.68/x - Step 3: Cross multiply
7,127,409.04x = 9,835,793.48 × 3,864,213.68 - Step 4: Simplify right side
7,127,409.04x = 38,007,607,719,070.81 - Step 5: Solve for x
x = 38,007,607,719,070.81/7,127,409.04 - Step 6: Final answer
x = 5,332,598.07
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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.