Finding the Fourth Proportional to 20,091,551.40, 27,725,576.50 and 10,924,201.80
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Solution
The fourth proportional to 20,091,551.40, 27,725,576.50 and 10,924,201.80 is: 15,074,982.85
Step by Step Solution
- Step 1: Write the proportion equation
20,091,551.40 : 27,725,576.50 = 10,924,201.80 : x - Step 2: Convert to fraction form
20,091,551.40/27,725,576.50 = 10,924,201.80/x - Step 3: Cross multiply
20,091,551.40x = 27,725,576.50 × 10,924,201.80 - Step 4: Simplify right side
20,091,551.40x = 302,879,792,707,337.75 - Step 5: Solve for x
x = 302,879,792,707,337.75/20,091,551.40 - Step 6: Final answer
x = 15,074,982.85
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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.