Finding the Fourth Proportional to 7,796,386.80, 11,686,729.41 and 3,249,952.92
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Solution
The fourth proportional to 7,796,386.80, 11,686,729.41 and 3,249,952.92 is: 4,871,656.75
Step by Step Solution
- Step 1: Write the proportion equation
7,796,386.80 : 11,686,729.41 = 3,249,952.92 : x - Step 2: Convert to fraction form
7,796,386.80/11,686,729.41 = 3,249,952.92/x - Step 3: Cross multiply
7,796,386.80x = 11,686,729.41 × 3,249,952.92 - Step 4: Simplify right side
7,796,386.80x = 37,981,320,371,279.38 - Step 5: Solve for x
x = 37,981,320,371,279.38/7,796,386.80 - Step 6: Final answer
x = 4,871,656.75
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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.