Finding the Fourth Proportional to 31,121,901.03, 46,685,093.76 and 11,952,658.11
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Solution
The fourth proportional to 31,121,901.03, 46,685,093.76 and 11,952,658.11 is: 17,929,848.31
Step by Step Solution
- Step 1: Write the proportion equation
31,121,901.03 : 46,685,093.76 = 11,952,658.11 : x - Step 2: Convert to fraction form
31,121,901.03/46,685,093.76 = 11,952,658.11/x - Step 3: Cross multiply
31,121,901.03x = 46,685,093.76 × 11,952,658.11 - Step 4: Simplify right side
31,121,901.03x = 558,010,964,546,574.31 - Step 5: Solve for x
x = 558,010,964,546,574.31/31,121,901.03 - Step 6: Final answer
x = 17,929,848.31
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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.