Finding the Fourth Proportional to 7,270,964.28, 10,030,240.80 and 5,549,095.44
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Solution
The fourth proportional to 7,270,964.28, 10,030,240.80 and 5,549,095.44 is: 7,654,935.62
Step by Step Solution
- Step 1: Write the proportion equation
7,270,964.28 : 10,030,240.80 = 5,549,095.44 : x - Step 2: Convert to fraction form
7,270,964.28/10,030,240.80 = 5,549,095.44/x - Step 3: Cross multiply
7,270,964.28x = 10,030,240.80 × 5,549,095.44 - Step 4: Simplify right side
7,270,964.28x = 55,658,763,485,381.96 - Step 5: Solve for x
x = 55,658,763,485,381.96/7,270,964.28 - Step 6: Final answer
x = 7,654,935.62
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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.