Finding the Fourth Proportional to 39,226,198.71, 58,847,809.96 and 11,931,782.09
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Solution
The fourth proportional to 39,226,198.71, 58,847,809.96 and 11,931,782.09 is: 17,900,262.27
Step by Step Solution
- Step 1: Write the proportion equation
39,226,198.71 : 58,847,809.96 = 11,931,782.09 : x - Step 2: Convert to fraction form
39,226,198.71/58,847,809.96 = 11,931,782.09/x - Step 3: Cross multiply
39,226,198.71x = 58,847,809.96 × 11,931,782.09 - Step 4: Simplify right side
39,226,198.71x = 702,159,244,901,029.88 - Step 5: Solve for x
x = 702,159,244,901,029.88/39,226,198.71 - Step 6: Final answer
x = 17,900,262.27
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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.