Finding the Fourth Proportional to 14,432,934.77, 19,917,474.11 and 7,906,421.94
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Solution
The fourth proportional to 14,432,934.77, 19,917,474.11 and 7,906,421.94 is: 10,910,875.49
Step by Step Solution
- Step 1: Write the proportion equation
14,432,934.77 : 19,917,474.11 = 7,906,421.94 : x - Step 2: Convert to fraction form
14,432,934.77/19,917,474.11 = 7,906,421.94/x - Step 3: Cross multiply
14,432,934.77x = 19,917,474.11 × 7,906,421.94 - Step 4: Simplify right side
14,432,934.77x = 157,475,954,292,685.97 - Step 5: Solve for x
x = 157,475,954,292,685.97/14,432,934.77 - Step 6: Final answer
x = 10,910,875.49
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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.