Finding the Fourth Proportional to 14,497,664.49, 20,006,238.94 and 7,970,905.62
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Solution
The fourth proportional to 14,497,664.49, 20,006,238.94 and 7,970,905.62 is: 10,999,553.93
Step by Step Solution
- Step 1: Write the proportion equation
14,497,664.49 : 20,006,238.94 = 7,970,905.62 : x - Step 2: Convert to fraction form
14,497,664.49/20,006,238.94 = 7,970,905.62/x - Step 3: Cross multiply
14,497,664.49x = 20,006,238.94 × 7,970,905.62 - Step 4: Simplify right side
14,497,664.49x = 159,467,842,381,981.59 - Step 5: Solve for x
x = 159,467,842,381,981.59/14,497,664.49 - Step 6: Final answer
x = 10,999,553.93
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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.