Finding the Fourth Proportional to 16,388,381.60, 24,582,572.40 and 5,750,813.60
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Solution
The fourth proportional to 16,388,381.60, 24,582,572.40 and 5,750,813.60 is: 8,626,220.40
Step by Step Solution
- Step 1: Write the proportion equation
16,388,381.60 : 24,582,572.40 = 5,750,813.60 : x - Step 2: Convert to fraction form
16,388,381.60/24,582,572.40 = 5,750,813.60/x - Step 3: Cross multiply
16,388,381.60x = 24,582,572.40 × 5,750,813.60 - Step 4: Simplify right side
16,388,381.60x = 141,369,791,680,904.62 - Step 5: Solve for x
x = 141,369,791,680,904.62/16,388,381.60 - Step 6: Final answer
x = 8,626,220.40
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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.