Finding the Fourth Proportional to 18,000,358.48, 24,840,560.56 and 9,740,420.84
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Solution
The fourth proportional to 18,000,358.48, 24,840,560.56 and 9,740,420.84 is: 13,441,816.40
Step by Step Solution
- Step 1: Write the proportion equation
18,000,358.48 : 24,840,560.56 = 9,740,420.84 : x - Step 2: Convert to fraction form
18,000,358.48/24,840,560.56 = 9,740,420.84/x - Step 3: Cross multiply
18,000,358.48x = 24,840,560.56 × 9,740,420.84 - Step 4: Simplify right side
18,000,358.48x = 241,957,513,755,906.06 - Step 5: Solve for x
x = 241,957,513,755,906.06/18,000,358.48 - Step 6: Final answer
x = 13,441,816.40
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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.