Finding the Fourth Proportional to 28,790,445.60, 43,185,668.60 and 9,621,202.68
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Solution
The fourth proportional to 28,790,445.60, 43,185,668.60 and 9,621,202.68 is: 14,431,804.09
Step by Step Solution
- Step 1: Write the proportion equation
28,790,445.60 : 43,185,668.60 = 9,621,202.68 : x - Step 2: Convert to fraction form
28,790,445.60/43,185,668.60 = 9,621,202.68/x - Step 3: Cross multiply
28,790,445.60x = 43,185,668.60 × 9,621,202.68 - Step 4: Simplify right side
28,790,445.60x = 415,498,070,495,964.81 - Step 5: Solve for x
x = 415,498,070,495,964.81/28,790,445.60 - Step 6: Final answer
x = 14,431,804.09
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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.