Finding the Fourth Proportional to 17,961,902.70, 26,942,854.05 and 15,836,138.70
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Solution
The fourth proportional to 17,961,902.70, 26,942,854.05 and 15,836,138.70 is: 23,754,208.05
Step by Step Solution
- Step 1: Write the proportion equation
17,961,902.70 : 26,942,854.05 = 15,836,138.70 : x - Step 2: Convert to fraction form
17,961,902.70/26,942,854.05 = 15,836,138.70/x - Step 3: Cross multiply
17,961,902.70x = 26,942,854.05 × 15,836,138.70 - Step 4: Simplify right side
17,961,902.70x = 426,670,773,709,656.75 - Step 5: Solve for x
x = 426,670,773,709,656.75/17,961,902.70 - Step 6: Final answer
x = 23,754,208.05
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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.