Finding the Fourth Proportional to 10,443,471.09, 15,661,658.99 and 3,618,451.32
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Solution
The fourth proportional to 10,443,471.09, 15,661,658.99 and 3,618,451.32 is: 5,426,447.79
Step by Step Solution
- Step 1: Write the proportion equation
10,443,471.09 : 15,661,658.99 = 3,618,451.32 : x - Step 2: Convert to fraction form
10,443,471.09/15,661,658.99 = 3,618,451.32/x - Step 3: Cross multiply
10,443,471.09x = 15,661,658.99 × 3,618,451.32 - Step 4: Simplify right side
10,443,471.09x = 56,670,950,549,354.81 - Step 5: Solve for x
x = 56,670,950,549,354.81/10,443,471.09 - Step 6: Final answer
x = 5,426,447.79
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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.