Finding the Fourth Proportional to 30,221,492.90, 41,705,800.79 and 17,169,467.99
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Solution
The fourth proportional to 30,221,492.90, 41,705,800.79 and 17,169,467.99 is: 23,693,945.69
Step by Step Solution
- Step 1: Write the proportion equation
30,221,492.90 : 41,705,800.79 = 17,169,467.99 : x - Step 2: Convert to fraction form
30,221,492.90/41,705,800.79 = 17,169,467.99/x - Step 3: Cross multiply
30,221,492.90x = 41,705,800.79 × 17,169,467.99 - Step 4: Simplify right side
30,221,492.90x = 716,066,411,366,845.25 - Step 5: Solve for x
x = 716,066,411,366,845.25/30,221,492.90 - Step 6: Final answer
x = 23,693,945.69
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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.