Finding the Fourth Proportional to 14,730,807.57, 20,329,145.37 and 8,204,438.70
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Solution
The fourth proportional to 14,730,807.57, 20,329,145.37 and 8,204,438.70 is: 11,322,476.80
Step by Step Solution
- Step 1: Write the proportion equation
14,730,807.57 : 20,329,145.37 = 8,204,438.70 : x - Step 2: Convert to fraction form
14,730,807.57/20,329,145.37 = 8,204,438.70/x - Step 3: Cross multiply
14,730,807.57x = 20,329,145.37 × 8,204,438.70 - Step 4: Simplify right side
14,730,807.57x = 166,789,227,011,553.84 - Step 5: Solve for x
x = 166,789,227,011,553.84/14,730,807.57 - Step 6: Final answer
x = 11,322,476.80
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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.