Finding the Fourth Proportional to 7,796,387.30, 11,686,730.16 and 3,249,953.42
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Solution
The fourth proportional to 7,796,387.30, 11,686,730.16 and 3,249,953.42 is: 4,871,657.50
Step by Step Solution
- Step 1: Write the proportion equation
7,796,387.30 : 11,686,730.16 = 3,249,953.42 : x - Step 2: Convert to fraction form
7,796,387.30/11,686,730.16 = 3,249,953.42/x - Step 3: Cross multiply
7,796,387.30x = 11,686,730.16 × 3,249,953.42 - Step 4: Simplify right side
7,796,387.30x = 37,981,328,652,109.15 - Step 5: Solve for x
x = 37,981,328,652,109.15/7,796,387.30 - Step 6: Final answer
x = 4,871,657.50
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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.