Finding the Fourth Proportional to 16,616,105.20, 24,924,157.80 and 7,658,153.20
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Solution
The fourth proportional to 16,616,105.20, 24,924,157.80 and 7,658,153.20 is: 11,487,229.80
Step by Step Solution
- Step 1: Write the proportion equation
16,616,105.20 : 24,924,157.80 = 7,658,153.20 : x - Step 2: Convert to fraction form
16,616,105.20/24,924,157.80 = 7,658,153.20/x - Step 3: Cross multiply
16,616,105.20x = 24,924,157.80 × 7,658,153.20 - Step 4: Simplify right side
16,616,105.20x = 190,873,018,813,374.97 - Step 5: Solve for x
x = 190,873,018,813,374.97/16,616,105.20 - Step 6: Final answer
x = 11,487,229.80
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1.5x scale
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.