Finding the Fourth Proportional to 19,549,649.70, 29,324,474.55 and 18,289,937.70
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Solution
The fourth proportional to 19,549,649.70, 29,324,474.55 and 18,289,937.70 is: 27,434,906.55
Step by Step Solution
- Step 1: Write the proportion equation
19,549,649.70 : 29,324,474.55 = 18,289,937.70 : x - Step 2: Convert to fraction form
19,549,649.70/29,324,474.55 = 18,289,937.70/x - Step 3: Cross multiply
19,549,649.70x = 29,324,474.55 × 18,289,937.70 - Step 4: Simplify right side
19,549,649.70x = 536,342,812,604,735.50 - Step 5: Solve for x
x = 536,342,812,604,735.50/19,549,649.70 - Step 6: Final answer
x = 27,434,906.55
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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.