Finding the Fourth Proportional to 34,437,623.70, 47,524,821.12 and 18,757,242.84
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Solution
The fourth proportional to 34,437,623.70, 47,524,821.12 and 18,757,242.84 is: 25,885,485.55
Step by Step Solution
- Step 1: Write the proportion equation
34,437,623.70 : 47,524,821.12 = 18,757,242.84 : x - Step 2: Convert to fraction form
34,437,623.70/47,524,821.12 = 18,757,242.84/x - Step 3: Cross multiply
34,437,623.70x = 47,524,821.12 × 18,757,242.84 - Step 4: Simplify right side
34,437,623.70x = 891,434,610,675,400.75 - Step 5: Solve for x
x = 891,434,610,675,400.75/34,437,623.70 - Step 6: Final answer
x = 25,885,485.55
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1.5x scale
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.