Finding the Fourth Proportional to 16,128,409.60, 24,164,620.80 and 10,445,708.80
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Solution
The fourth proportional to 16,128,409.60, 24,164,620.80 and 10,445,708.80 is: 15,650,432.89
Step by Step Solution
- Step 1: Write the proportion equation
16,128,409.60 : 24,164,620.80 = 10,445,708.80 : x - Step 2: Convert to fraction form
16,128,409.60/24,164,620.80 = 10,445,708.80/x - Step 3: Cross multiply
16,128,409.60x = 24,164,620.80 × 10,445,708.80 - Step 4: Simplify right side
16,128,409.60x = 252,416,592,139,223.06 - Step 5: Solve for x
x = 252,416,592,139,223.06/16,128,409.60 - Step 6: Final answer
x = 15,650,432.89
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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.