Finding the Fourth Proportional to 11,121,325.60, 16,683,543.60 and 4,731,527.20
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Solution
The fourth proportional to 11,121,325.60, 16,683,543.60 and 4,731,527.20 is: 7,097,952.45
Step by Step Solution
- Step 1: Write the proportion equation
11,121,325.60 : 16,683,543.60 = 4,731,527.20 : x - Step 2: Convert to fraction form
11,121,325.60/16,683,543.60 = 4,731,527.20/x - Step 3: Cross multiply
11,121,325.60x = 16,683,543.60 × 4,731,527.20 - Step 4: Simplify right side
11,121,325.60x = 78,938,640,335,785.92 - Step 5: Solve for x
x = 78,938,640,335,785.92/11,121,325.60 - Step 6: Final answer
x = 7,097,952.45
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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.