Finding the Fourth Proportional to 7,042,653.12, 10,560,013.92 and 2,249,215.68
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Solution
The fourth proportional to 7,042,653.12, 10,560,013.92 and 2,249,215.68 is: 3,372,556.97
Step by Step Solution
- Step 1: Write the proportion equation
7,042,653.12 : 10,560,013.92 = 2,249,215.68 : x - Step 2: Convert to fraction form
7,042,653.12/10,560,013.92 = 2,249,215.68/x - Step 3: Cross multiply
7,042,653.12x = 10,560,013.92 × 2,249,215.68 - Step 4: Simplify right side
7,042,653.12x = 23,751,748,889,882.27 - Step 5: Solve for x
x = 23,751,748,889,882.27/7,042,653.12 - Step 6: Final answer
x = 3,372,556.97
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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.