Finding the Fourth Proportional to 14,429,292.13, 19,912,442.31 and 7,813,891.99
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Solution
The fourth proportional to 14,429,292.13, 19,912,442.31 and 7,813,891.99 is: 10,783,181.32
Step by Step Solution
- Step 1: Write the proportion equation
14,429,292.13 : 19,912,442.31 = 7,813,891.99 : x - Step 2: Convert to fraction form
14,429,292.13/19,912,442.31 = 7,813,891.99/x - Step 3: Cross multiply
14,429,292.13x = 19,912,442.31 × 7,813,891.99 - Step 4: Simplify right side
14,429,292.13x = 155,593,673,367,883.88 - Step 5: Solve for x
x = 155,593,673,367,883.88/14,429,292.13 - Step 6: Final answer
x = 10,783,181.32
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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.