Finding the Fourth Proportional to 7,344,982.80, 11,017,474.20 and 5,077,501.20
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Solution
The fourth proportional to 7,344,982.80, 11,017,474.20 and 5,077,501.20 is: 7,616,251.80
Step by Step Solution
- Step 1: Write the proportion equation
7,344,982.80 : 11,017,474.20 = 5,077,501.20 : x - Step 2: Convert to fraction form
7,344,982.80/11,017,474.20 = 5,077,501.20/x - Step 3: Cross multiply
7,344,982.80x = 11,017,474.20 × 5,077,501.20 - Step 4: Simplify right side
7,344,982.80x = 55,941,238,471,469.04 - Step 5: Solve for x
x = 55,941,238,471,469.04/7,344,982.80 - Step 6: Final answer
x = 7,616,251.80
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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.