Finding the Fourth Proportional to 30,537,423.21, 42,141,943.24 and 16,598,769.65
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Solution
The fourth proportional to 30,537,423.21, 42,141,943.24 and 16,598,769.65 is: 22,906,464.75
Step by Step Solution
- Step 1: Write the proportion equation
30,537,423.21 : 42,141,943.24 = 16,598,769.65 : x - Step 2: Convert to fraction form
30,537,423.21/42,141,943.24 = 16,598,769.65/x - Step 3: Cross multiply
30,537,423.21x = 42,141,943.24 × 16,598,769.65 - Step 4: Simplify right side
30,537,423.21x = 699,504,408,349,960.25 - Step 5: Solve for x
x = 699,504,408,349,960.25/30,537,423.21 - Step 6: Final answer
x = 22,906,464.75
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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.