Finding the Fourth Proportional to 14,489,359.92, 19,995,796.08 and 7,963,220.70
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Solution
The fourth proportional to 14,489,359.92, 19,995,796.08 and 7,963,220.70 is: 10,989,508.03
Step by Step Solution
- Step 1: Write the proportion equation
14,489,359.92 : 19,995,796.08 = 7,963,220.70 : x - Step 2: Convert to fraction form
14,489,359.92/19,995,796.08 = 7,963,220.70/x - Step 3: Cross multiply
14,489,359.92x = 19,995,796.08 × 7,963,220.70 - Step 4: Simplify right side
14,489,359.92x = 159,230,937,257,234.84 - Step 5: Solve for x
x = 159,230,937,257,234.84/14,489,359.92 - Step 6: Final answer
x = 10,989,508.03
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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.