Finding the Fourth Proportional to 10,367,646.79, 15,551,694.33 and 3,179,021.53
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Solution
The fourth proportional to 10,367,646.79, 15,551,694.33 and 3,179,021.53 is: 4,768,601.02
Step by Step Solution
- Step 1: Write the proportion equation
10,367,646.79 : 15,551,694.33 = 3,179,021.53 : x - Step 2: Convert to fraction form
10,367,646.79/15,551,694.33 = 3,179,021.53/x - Step 3: Cross multiply
10,367,646.79x = 15,551,694.33 × 3,179,021.53 - Step 4: Simplify right side
10,367,646.79x = 49,439,171,103,048.92 - Step 5: Solve for x
x = 49,439,171,103,048.92/10,367,646.79 - Step 6: Final answer
x = 4,768,601.02
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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.