Finding the Fourth Proportional to 11,908,977.81, 17,864,532.30 and 4,622,266.74
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Solution
The fourth proportional to 11,908,977.81, 17,864,532.30 and 4,622,266.74 is: 6,933,813.70
Step by Step Solution
- Step 1: Write the proportion equation
11,908,977.81 : 17,864,532.30 = 4,622,266.74 : x - Step 2: Convert to fraction form
11,908,977.81/17,864,532.30 = 4,622,266.74/x - Step 3: Cross multiply
11,908,977.81x = 17,864,532.30 × 4,622,266.74 - Step 4: Simplify right side
11,908,977.81x = 82,574,633,475,945.70 - Step 5: Solve for x
x = 82,574,633,475,945.70/11,908,977.81 - Step 6: Final answer
x = 6,933,813.70
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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.