Finding the Fourth Proportional to 20,487,776.97, 30,736,493.28 and 6,654,673.92
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Solution
The fourth proportional to 20,487,776.97, 30,736,493.28 and 6,654,673.92 is: 9,983,579.02
Step by Step Solution
- Step 1: Write the proportion equation
20,487,776.97 : 30,736,493.28 = 6,654,673.92 : x - Step 2: Convert to fraction form
20,487,776.97/30,736,493.28 = 6,654,673.92/x - Step 3: Cross multiply
20,487,776.97x = 30,736,493.28 × 6,654,673.92 - Step 4: Simplify right side
20,487,776.97x = 204,541,340,222,671.25 - Step 5: Solve for x
x = 204,541,340,222,671.25/20,487,776.97 - Step 6: Final answer
x = 9,983,579.02
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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.