Finding the Fourth Proportional to 16,355,319.40, 24,532,979.10 and 5,584,781.80
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Solution
The fourth proportional to 16,355,319.40, 24,532,979.10 and 5,584,781.80 is: 8,377,172.70
Step by Step Solution
- Step 1: Write the proportion equation
16,355,319.40 : 24,532,979.10 = 5,584,781.80 : x - Step 2: Convert to fraction form
16,355,319.40/24,532,979.10 = 5,584,781.80/x - Step 3: Cross multiply
16,355,319.40x = 24,532,979.10 × 5,584,781.80 - Step 4: Simplify right side
16,355,319.40x = 137,011,335,177,460.39 - Step 5: Solve for x
x = 137,011,335,177,460.39/16,355,319.40 - Step 6: Final answer
x = 8,377,172.70
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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.