Finding the Fourth Proportional to 8,028,920.57, 11,079,771.36 and 4,357,758.36
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Solution
The fourth proportional to 8,028,920.57, 11,079,771.36 and 4,357,758.36 is: 6,013,631.08
Step by Step Solution
- Step 1: Write the proportion equation
8,028,920.57 : 11,079,771.36 = 4,357,758.36 : x - Step 2: Convert to fraction form
8,028,920.57/11,079,771.36 = 4,357,758.36/x - Step 3: Cross multiply
8,028,920.57x = 11,079,771.36 × 4,357,758.36 - Step 4: Simplify right side
8,028,920.57x = 48,282,966,270,928.57 - Step 5: Solve for x
x = 48,282,966,270,928.57/8,028,920.57 - Step 6: Final answer
x = 6,013,631.08
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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.