Finding the Fourth Proportional to 20,793,624.60, 31,169,441.70 and 9,442,219.80
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Solution
The fourth proportional to 20,793,624.60, 31,169,441.70 and 9,442,219.80 is: 14,153,795.95
Step by Step Solution
- Step 1: Write the proportion equation
20,793,624.60 : 31,169,441.70 = 9,442,219.80 : x - Step 2: Convert to fraction form
20,793,624.60/31,169,441.70 = 9,442,219.80/x - Step 3: Cross multiply
20,793,624.60x = 31,169,441.70 × 9,442,219.80 - Step 4: Simplify right side
20,793,624.60x = 294,308,719,574,685.69 - Step 5: Solve for x
x = 294,308,719,574,685.69/20,793,624.60 - Step 6: Final answer
x = 14,153,795.95
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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.