Finding the Fourth Proportional to 19,903,365.70, 27,467,528.45 and 11,202,101.89
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Solution
The fourth proportional to 19,903,365.70, 27,467,528.45 and 11,202,101.89 is: 15,459,398.02
Step by Step Solution
- Step 1: Write the proportion equation
19,903,365.70 : 27,467,528.45 = 11,202,101.89 : x - Step 2: Convert to fraction form
19,903,365.70/27,467,528.45 = 11,202,101.89/x - Step 3: Cross multiply
19,903,365.70x = 27,467,528.45 × 11,202,101.89 - Step 4: Simplify right side
19,903,365.70x = 307,694,052,363,373.75 - Step 5: Solve for x
x = 307,694,052,363,373.75/19,903,365.70 - Step 6: Final answer
x = 15,459,398.02
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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.