Finding the Fourth Proportional to 14,497,665.99, 20,006,241 and 7,970,907.12
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Solution
The fourth proportional to 14,497,665.99, 20,006,241 and 7,970,907.12 is: 10,999,555.99
Step by Step Solution
- Step 1: Write the proportion equation
14,497,665.99 : 20,006,241 = 7,970,907.12 : x - Step 2: Convert to fraction form
14,497,665.99/20,006,241 = 7,970,907.12/x - Step 3: Cross multiply
14,497,665.99x = 20,006,241 × 7,970,907.12 - Step 4: Simplify right side
14,497,665.99x = 159,467,888,831,335.94 - Step 5: Solve for x
x = 159,467,888,831,335.94/14,497,665.99 - Step 6: Final answer
x = 10,999,555.99
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1.5x scale
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.