Finding the Fourth Proportional to 8,430,409.48, 12,645,646.80 and 2,040,651.40
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Solution
The fourth proportional to 8,430,409.48, 12,645,646.80 and 2,040,651.40 is: 3,060,984.99
Step by Step Solution
- Step 1: Write the proportion equation
8,430,409.48 : 12,645,646.80 = 2,040,651.40 : x - Step 2: Convert to fraction form
8,430,409.48/12,645,646.80 = 2,040,651.40/x - Step 3: Cross multiply
8,430,409.48x = 12,645,646.80 × 2,040,651.40 - Step 4: Simplify right side
8,430,409.48x = 25,805,356,846,325.52 - Step 5: Solve for x
x = 25,805,356,846,325.52/8,430,409.48 - Step 6: Final answer
x = 3,060,984.99
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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.