Finding the Fourth Proportional to 14,461,891.41, 19,955,956.55 and 8,660,523.99
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Solution
The fourth proportional to 14,461,891.41, 19,955,956.55 and 8,660,523.99 is: 11,950,652.62
Step by Step Solution
- Step 1: Write the proportion equation
14,461,891.41 : 19,955,956.55 = 8,660,523.99 : x - Step 2: Convert to fraction form
14,461,891.41/19,955,956.55 = 8,660,523.99/x - Step 3: Cross multiply
14,461,891.41x = 19,955,956.55 × 8,660,523.99 - Step 4: Simplify right side
14,461,891.41x = 172,829,040,466,323.94 - Step 5: Solve for x
x = 172,829,040,466,323.94/14,461,891.41 - Step 6: Final answer
x = 11,950,652.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.