Finding the Fourth Proportional to 7,454,992.80, 11,166,742.80 and 6,195,280.80
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Solution
The fourth proportional to 7,454,992.80, 11,166,742.80 and 6,195,280.80 is: 9,279,835.56
Step by Step Solution
- Step 1: Write the proportion equation
7,454,992.80 : 11,166,742.80 = 6,195,280.80 : x - Step 2: Convert to fraction form
7,454,992.80/11,166,742.80 = 6,195,280.80/x - Step 3: Cross multiply
7,454,992.80x = 11,166,742.80 × 6,195,280.80 - Step 4: Simplify right side
7,454,992.80x = 69,181,107,267,378.24 - Step 5: Solve for x
x = 69,181,107,267,378.24/7,454,992.80 - Step 6: Final answer
x = 9,279,835.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.