Finding the Fourth Proportional to 8,038,544.79, 12,043,776.60 and 6,699,313.47
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Solution
The fourth proportional to 8,038,544.79, 12,043,776.60 and 6,699,313.47 is: 10,037,268.80
Step by Step Solution
- Step 1: Write the proportion equation
8,038,544.79 : 12,043,776.60 = 6,699,313.47 : x - Step 2: Convert to fraction form
8,038,544.79/12,043,776.60 = 6,699,313.47/x - Step 3: Cross multiply
8,038,544.79x = 12,043,776.60 × 6,699,313.47 - Step 4: Simplify right side
8,038,544.79x = 80,685,034,806,050.80 - Step 5: Solve for x
x = 80,685,034,806,050.80/8,038,544.79 - Step 6: Final answer
x = 10,037,268.80
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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.