Finding the Fourth Proportional to 14,332,041.95, 19,777,922.63 and 7,805,786.09
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Solution
The fourth proportional to 14,332,041.95, 19,777,922.63 and 7,805,786.09 is: 10,771,823.99
Step by Step Solution
- Step 1: Write the proportion equation
14,332,041.95 : 19,777,922.63 = 7,805,786.09 : x - Step 2: Convert to fraction form
14,332,041.95/19,777,922.63 = 7,805,786.09/x - Step 3: Cross multiply
14,332,041.95x = 19,777,922.63 × 7,805,786.09 - Step 4: Simplify right side
14,332,041.95x = 154,382,233,216,431.69 - Step 5: Solve for x
x = 154,382,233,216,431.69/14,332,041.95 - Step 6: Final answer
x = 10,771,823.99
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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.