Finding the Fourth Proportional to 16,553,156.40, 24,830,512.20 and 5,193,975.60
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Solution
The fourth proportional to 16,553,156.40, 24,830,512.20 and 5,193,975.60 is: 7,791,207.39
Step by Step Solution
- Step 1: Write the proportion equation
16,553,156.40 : 24,830,512.20 = 5,193,975.60 : x - Step 2: Convert to fraction form
16,553,156.40/24,830,512.20 = 5,193,975.60/x - Step 3: Cross multiply
16,553,156.40x = 24,830,512.20 × 5,193,975.60 - Step 4: Simplify right side
16,553,156.40x = 128,969,074,502,302.31 - Step 5: Solve for x
x = 128,969,074,502,302.31/16,553,156.40 - Step 6: Final answer
x = 7,791,207.39
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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.