Finding the Fourth Proportional to 14,184,029.80, 21,276,044.70 and 3,948,869.80
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Solution
The fourth proportional to 14,184,029.80, 21,276,044.70 and 3,948,869.80 is: 5,923,304.70
Step by Step Solution
- Step 1: Write the proportion equation
14,184,029.80 : 21,276,044.70 = 3,948,869.80 : x - Step 2: Convert to fraction form
14,184,029.80/21,276,044.70 = 3,948,869.80/x - Step 3: Cross multiply
14,184,029.80x = 21,276,044.70 × 3,948,869.80 - Step 4: Simplify right side
14,184,029.80x = 84,016,330,379,280.05 - Step 5: Solve for x
x = 84,016,330,379,280.05/14,184,029.80 - Step 6: Final answer
x = 5,923,304.70
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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.