Finding the Fourth Proportional to 8,175,620.40, 12,263,430.60 and 2,495,106.60
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Solution
The fourth proportional to 8,175,620.40, 12,263,430.60 and 2,495,106.60 is: 3,742,659.90
Step by Step Solution
- Step 1: Write the proportion equation
8,175,620.40 : 12,263,430.60 = 2,495,106.60 : x - Step 2: Convert to fraction form
8,175,620.40/12,263,430.60 = 2,495,106.60/x - Step 3: Cross multiply
8,175,620.40x = 12,263,430.60 × 2,495,106.60 - Step 4: Simplify right side
8,175,620.40x = 30,598,566,628,701.96 - Step 5: Solve for x
x = 30,598,566,628,701.96/8,175,620.40 - Step 6: Final answer
x = 3,742,659.90
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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.