Finding the Fourth Proportional to 14,365,614.20, 19,824,966.26 and 7,839,663.99
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Solution
The fourth proportional to 14,365,614.20, 19,824,966.26 and 7,839,663.99 is: 10,818,964.78
Step by Step Solution
- Step 1: Write the proportion equation
14,365,614.20 : 19,824,966.26 = 7,839,663.99 : x - Step 2: Convert to fraction form
14,365,614.20/19,824,966.26 = 7,839,663.99/x - Step 3: Cross multiply
14,365,614.20x = 19,824,966.26 × 7,839,663.99 - Step 4: Simplify right side
14,365,614.20x = 155,421,074,052,288.66 - Step 5: Solve for x
x = 155,421,074,052,288.66/14,365,614.20 - Step 6: Final answer
x = 10,818,964.78
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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.