Finding the Fourth Proportional to 7,516,631.29, 11,271,272.76 and 5,243,244.79
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Solution
The fourth proportional to 7,516,631.29, 11,271,272.76 and 5,243,244.79 is: 7,862,304.26
Step by Step Solution
- Step 1: Write the proportion equation
7,516,631.29 : 11,271,272.76 = 5,243,244.79 : x - Step 2: Convert to fraction form
7,516,631.29/11,271,272.76 = 5,243,244.79/x - Step 3: Cross multiply
7,516,631.29x = 11,271,272.76 × 5,243,244.79 - Step 4: Simplify right side
7,516,631.29x = 59,098,042,175,538.92 - Step 5: Solve for x
x = 59,098,042,175,538.92/7,516,631.29 - Step 6: Final answer
x = 7,862,304.26
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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.