Finding the Fourth Proportional to 30,893,384.70, 46,321,579.82 and 10,422,650.99
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Solution
The fourth proportional to 30,893,384.70, 46,321,579.82 and 10,422,650.99 is: 15,627,735.99
Step by Step Solution
- Step 1: Write the proportion equation
30,893,384.70 : 46,321,579.82 = 10,422,650.99 : x - Step 2: Convert to fraction form
30,893,384.70/46,321,579.82 = 10,422,650.99/x - Step 3: Cross multiply
30,893,384.70x = 46,321,579.82 × 10,422,650.99 - Step 4: Simplify right side
30,893,384.70x = 482,793,659,911,147.56 - Step 5: Solve for x
x = 482,793,659,911,147.56/30,893,384.70 - Step 6: Final answer
x = 15,627,735.99
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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.