Finding the Fourth Proportional to 7,855,416.19, 10,840,304.41 and 4,547,849.91
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Solution
The fourth proportional to 7,855,416.19, 10,840,304.41 and 4,547,849.91 is: 6,275,934.49
Step by Step Solution
- Step 1: Write the proportion equation
7,855,416.19 : 10,840,304.41 = 4,547,849.91 : x - Step 2: Convert to fraction form
7,855,416.19/10,840,304.41 = 4,547,849.91/x - Step 3: Cross multiply
7,855,416.19x = 10,840,304.41 × 4,547,849.91 - Step 4: Simplify right side
7,855,416.19x = 49,300,077,435,391.10 - Step 5: Solve for x
x = 49,300,077,435,391.10/7,855,416.19 - Step 6: Final answer
x = 6,275,934.49
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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.