Finding the Fourth Proportional to 11,880,920.58, 16,392,860.34 and 6,724,282.13
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Solution
The fourth proportional to 11,880,920.58, 16,392,860.34 and 6,724,282.13 is: 9,277,918.92
Step by Step Solution
- Step 1: Write the proportion equation
11,880,920.58 : 16,392,860.34 = 6,724,282.13 : x - Step 2: Convert to fraction form
11,880,920.58/16,392,860.34 = 6,724,282.13/x - Step 3: Cross multiply
11,880,920.58x = 16,392,860.34 × 6,724,282.13 - Step 4: Simplify right side
11,880,920.58x = 110,230,217,835,964.69 - Step 5: Solve for x
x = 110,230,217,835,964.69/11,880,920.58 - Step 6: Final answer
x = 9,277,918.92
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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.