Finding the Fourth Proportional to 7,796,178.13, 10,758,662.90 and 4,311,663.75
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Solution
The fourth proportional to 7,796,178.13, 10,758,662.90 and 4,311,663.75 is: 5,950,061.17
Step by Step Solution
- Step 1: Write the proportion equation
7,796,178.13 : 10,758,662.90 = 4,311,663.75 : x - Step 2: Convert to fraction form
7,796,178.13/10,758,662.90 = 4,311,663.75/x - Step 3: Cross multiply
7,796,178.13x = 10,758,662.90 × 4,311,663.75 - Step 4: Simplify right side
7,796,178.13x = 46,387,736,749,048.24 - Step 5: Solve for x
x = 46,387,736,749,048.24/7,796,178.13 - Step 6: Final answer
x = 5,950,061.17
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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.