Finding the Fourth Proportional to 16,128,821.60, 24,193,232.40 and 4,768,258.40
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Solution
The fourth proportional to 16,128,821.60, 24,193,232.40 and 4,768,258.40 is: 7,152,387.60
Step by Step Solution
- Step 1: Write the proportion equation
16,128,821.60 : 24,193,232.40 = 4,768,258.40 : x - Step 2: Convert to fraction form
16,128,821.60/24,193,232.40 = 4,768,258.40/x - Step 3: Cross multiply
16,128,821.60x = 24,193,232.40 × 4,768,258.40 - Step 4: Simplify right side
16,128,821.60x = 115,359,583,614,452.16 - Step 5: Solve for x
x = 115,359,583,614,452.16/16,128,821.60 - Step 6: Final answer
x = 7,152,387.60
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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.