Finding the Fourth Proportional to 15,580,079.28, 23,370,087.56 and 14,631,982.14
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Solution
The fourth proportional to 15,580,079.28, 23,370,087.56 and 14,631,982.14 is: 21,947,943.75
Step by Step Solution
- Step 1: Write the proportion equation
15,580,079.28 : 23,370,087.56 = 14,631,982.14 : x - Step 2: Convert to fraction form
15,580,079.28/23,370,087.56 = 14,631,982.14/x - Step 3: Cross multiply
15,580,079.28x = 23,370,087.56 × 14,631,982.14 - Step 4: Simplify right side
15,580,079.28x = 341,950,703,714,996.25 - Step 5: Solve for x
x = 341,950,703,714,996.25/15,580,079.28 - Step 6: Final answer
x = 21,947,943.75
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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.