Finding the Fourth Proportional to 7,479,104.02, 11,209,798.68 and 3,432,180.82
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Solution
The fourth proportional to 7,479,104.02, 11,209,798.68 and 3,432,180.82 is: 5,144,206.57
Step by Step Solution
- Step 1: Write the proportion equation
7,479,104.02 : 11,209,798.68 = 3,432,180.82 : x - Step 2: Convert to fraction form
7,479,104.02/11,209,798.68 = 3,432,180.82/x - Step 3: Cross multiply
7,479,104.02x = 11,209,798.68 × 3,432,180.82 - Step 4: Simplify right side
7,479,104.02x = 38,474,056,025,557.31 - Step 5: Solve for x
x = 38,474,056,025,557.31/7,479,104.02 - Step 6: Final answer
x = 5,144,206.57
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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.