Finding the Fourth Proportional to 10,832,579.97, 14,940,243.78 and 9,523,032.02
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Solution
The fourth proportional to 10,832,579.97, 14,940,243.78 and 9,523,032.02 is: 13,134,121.36
Step by Step Solution
- Step 1: Write the proportion equation
10,832,579.97 : 14,940,243.78 = 9,523,032.02 : x - Step 2: Convert to fraction form
10,832,579.97/14,940,243.78 = 9,523,032.02/x - Step 3: Cross multiply
10,832,579.97x = 14,940,243.78 × 9,523,032.02 - Step 4: Simplify right side
10,832,579.97x = 142,276,419,903,545.81 - Step 5: Solve for x
x = 142,276,419,903,545.81/10,832,579.97 - Step 6: Final answer
x = 13,134,121.36
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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.