Finding the Fourth Proportional to 34,489,932.80, 51,768,936.48 and 18,315,837.68
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Solution
The fourth proportional to 34,489,932.80, 51,768,936.48 and 18,315,837.68 is: 27,491,831.98
Step by Step Solution
- Step 1: Write the proportion equation
34,489,932.80 : 51,768,936.48 = 18,315,837.68 : x - Step 2: Convert to fraction form
34,489,932.80/51,768,936.48 = 18,315,837.68/x - Step 3: Cross multiply
34,489,932.80x = 51,768,936.48 × 18,315,837.68 - Step 4: Simplify right side
34,489,932.80x = 948,191,437,433,910.50 - Step 5: Solve for x
x = 948,191,437,433,910.50/34,489,932.80 - Step 6: Final answer
x = 27,491,831.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.