Finding the Fourth Proportional to 21,828,942.28, 32,766,124.30 and 16,078,169.49
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Solution
The fourth proportional to 21,828,942.28, 32,766,124.30 and 16,078,169.49 is: 24,133,981.99
Step by Step Solution
- Step 1: Write the proportion equation
21,828,942.28 : 32,766,124.30 = 16,078,169.49 : x - Step 2: Convert to fraction form
21,828,942.28/32,766,124.30 = 16,078,169.49/x - Step 3: Cross multiply
21,828,942.28x = 32,766,124.30 × 16,078,169.49 - Step 4: Simplify right side
21,828,942.28x = 526,819,299,953,178.94 - Step 5: Solve for x
x = 526,819,299,953,178.94/21,828,942.28 - Step 6: Final answer
x = 24,133,981.99
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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.