Finding the Fourth Proportional to 8,687,437.20, 13,027,219.20 and 3,294,295.20
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Solution
The fourth proportional to 8,687,437.20, 13,027,219.20 and 3,294,295.20 is: 4,939,950.03
Step by Step Solution
- Step 1: Write the proportion equation
8,687,437.20 : 13,027,219.20 = 3,294,295.20 : x - Step 2: Convert to fraction form
8,687,437.20/13,027,219.20 = 3,294,295.20/x - Step 3: Cross multiply
8,687,437.20x = 13,027,219.20 × 3,294,295.20 - Step 4: Simplify right side
8,687,437.20x = 42,915,505,679,907.84 - Step 5: Solve for x
x = 42,915,505,679,907.84/8,687,437.20 - Step 6: Final answer
x = 4,939,950.03
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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.