Finding the Fourth Proportional to 27,779,120.30, 38,337,540.14 and 15,393,098.94
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Solution
The fourth proportional to 27,779,120.30, 38,337,540.14 and 15,393,098.94 is: 21,243,781.02
Step by Step Solution
- Step 1: Write the proportion equation
27,779,120.30 : 38,337,540.14 = 15,393,098.94 : x - Step 2: Convert to fraction form
27,779,120.30/38,337,540.14 = 15,393,098.94/x - Step 3: Cross multiply
27,779,120.30x = 38,337,540.14 × 15,393,098.94 - Step 4: Simplify right side
27,779,120.30x = 590,133,548,491,241.50 - Step 5: Solve for x
x = 590,133,548,491,241.50/27,779,120.30 - Step 6: Final answer
x = 21,243,781.02
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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.