Finding the Fourth Proportional to 30,588,537.10, 42,213,295.09 and 16,649,218.99
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Solution
The fourth proportional to 30,588,537.10, 42,213,295.09 and 16,649,218.99 is: 22,976,528.50
Step by Step Solution
- Step 1: Write the proportion equation
30,588,537.10 : 42,213,295.09 = 16,649,218.99 : x - Step 2: Convert to fraction form
30,588,537.10/42,213,295.09 = 16,649,218.99/x - Step 3: Cross multiply
30,588,537.10x = 42,213,295.09 × 16,649,218.99 - Step 4: Simplify right side
30,588,537.10x = 702,818,394,242,901.88 - Step 5: Solve for x
x = 702,818,394,242,901.88/30,588,537.10 - Step 6: Final answer
x = 22,976,528.50
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Double scale
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1.5x scale
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.