Finding the Fourth Proportional to 7,127,407.04, 9,835,790.72 and 3,864,211.68
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Solution
The fourth proportional to 7,127,407.04, 9,835,790.72 and 3,864,211.68 is: 5,332,595.31
Step by Step Solution
- Step 1: Write the proportion equation
7,127,407.04 : 9,835,790.72 = 3,864,211.68 : x - Step 2: Convert to fraction form
7,127,407.04/9,835,790.72 = 3,864,211.68/x - Step 3: Cross multiply
7,127,407.04x = 9,835,790.72 × 3,864,211.68 - Step 4: Simplify right side
7,127,407.04x = 38,007,577,382,259.62 - Step 5: Solve for x
x = 38,007,577,382,259.62/7,127,407.04 - Step 6: Final answer
x = 5,332,595.31
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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.