Finding the Fourth Proportional to 19,775,135.70, 29,662,703.55 and 19,775,135.70
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Solution
The fourth proportional to 19,775,135.70, 29,662,703.55 and 19,775,135.70 is: 29,662,703.55
Step by Step Solution
- Step 1: Write the proportion equation
19,775,135.70 : 29,662,703.55 = 19,775,135.70 : x - Step 2: Convert to fraction form
19,775,135.70/29,662,703.55 = 19,775,135.70/x - Step 3: Cross multiply
19,775,135.70x = 29,662,703.55 × 19,775,135.70 - Step 4: Simplify right side
19,775,135.70x = 586,583,987,930,121.75 - Step 5: Solve for x
x = 586,583,987,930,121.75/19,775,135.70 - Step 6: Final answer
x = 29,662,703.55
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1.5x scale
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.