Finding the Fourth Proportional to 20,793,629.60, 31,169,449.20 and 9,442,224.80
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Solution
The fourth proportional to 20,793,629.60, 31,169,449.20 and 9,442,224.80 is: 14,153,803.44
Step by Step Solution
- Step 1: Write the proportion equation
20,793,629.60 : 31,169,449.20 = 9,442,224.80 : x - Step 2: Convert to fraction form
20,793,629.60/31,169,449.20 = 9,442,224.80/x - Step 3: Cross multiply
20,793,629.60x = 31,169,449.20 × 9,442,224.80 - Step 4: Simplify right side
20,793,629.60x = 294,308,946,238,580.19 - Step 5: Solve for x
x = 294,308,946,238,580.19/20,793,629.60 - Step 6: Final answer
x = 14,153,803.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.