Finding the Fourth Proportional to 19,719,949.05, 29,579,923.58 and 11,216,893.05
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Solution
The fourth proportional to 19,719,949.05, 29,579,923.58 and 11,216,893.05 is: 16,825,339.58
Step by Step Solution
- Step 1: Write the proportion equation
19,719,949.05 : 29,579,923.58 = 11,216,893.05 : x - Step 2: Convert to fraction form
19,719,949.05/29,579,923.58 = 11,216,893.05/x - Step 3: Cross multiply
19,719,949.05x = 29,579,923.58 × 11,216,893.05 - Step 4: Simplify right side
19,719,949.05x = 331,794,839,167,948.69 - Step 5: Solve for x
x = 331,794,839,167,948.69/19,719,949.05 - Step 6: Final answer
x = 16,825,339.58
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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.