Finding the Fourth Proportional to 27,201,621.40, 40,802,432.10 and 8,032,347.70
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Solution
The fourth proportional to 27,201,621.40, 40,802,432.10 and 8,032,347.70 is: 12,048,521.55
Step by Step Solution
- Step 1: Write the proportion equation
27,201,621.40 : 40,802,432.10 = 8,032,347.70 : x - Step 2: Convert to fraction form
27,201,621.40/40,802,432.10 = 8,032,347.70/x - Step 3: Cross multiply
27,201,621.40x = 40,802,432.10 × 8,032,347.70 - Step 4: Simplify right side
27,201,621.40x = 327,739,321,632,841.19 - Step 5: Solve for x
x = 327,739,321,632,841.19/27,201,621.40 - Step 6: Final answer
x = 12,048,521.55
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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.