Finding the Fourth Proportional to 16,656,595.20, 24,984,892.80 and 8,142,393.60
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Solution
The fourth proportional to 16,656,595.20, 24,984,892.80 and 8,142,393.60 is: 12,213,590.40
Step by Step Solution
- Step 1: Write the proportion equation
16,656,595.20 : 24,984,892.80 = 8,142,393.60 : x - Step 2: Convert to fraction form
16,656,595.20/24,984,892.80 = 8,142,393.60/x - Step 3: Cross multiply
16,656,595.20x = 24,984,892.80 × 8,142,393.60 - Step 4: Simplify right side
16,656,595.20x = 203,436,831,231,406.06 - Step 5: Solve for x
x = 203,436,831,231,406.06/16,656,595.20 - Step 6: Final answer
x = 12,213,590.40
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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.