Finding the Fourth Proportional to 7,393,335.24, 10,202,136.90 and 4,129,864.68
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Solution
The fourth proportional to 7,393,335.24, 10,202,136.90 and 4,129,864.68 is: 5,698,841.39
Step by Step Solution
- Step 1: Write the proportion equation
7,393,335.24 : 10,202,136.90 = 4,129,864.68 : x - Step 2: Convert to fraction form
7,393,335.24/10,202,136.90 = 4,129,864.68/x - Step 3: Cross multiply
7,393,335.24x = 10,202,136.90 × 4,129,864.68 - Step 4: Simplify right side
7,393,335.24x = 42,133,444,843,834.70 - Step 5: Solve for x
x = 42,133,444,843,834.70/7,393,335.24 - Step 6: Final answer
x = 5,698,841.39
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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.