Finding the Fourth Proportional to 17,386,502.40, 26,079,753.60 and 10,201,478.40
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Solution
The fourth proportional to 17,386,502.40, 26,079,753.60 and 10,201,478.40 is: 15,302,217.60
Step by Step Solution
- Step 1: Write the proportion equation
17,386,502.40 : 26,079,753.60 = 10,201,478.40 : x - Step 2: Convert to fraction form
17,386,502.40/26,079,753.60 = 10,201,478.40/x - Step 3: Cross multiply
17,386,502.40x = 26,079,753.60 × 10,201,478.40 - Step 4: Simplify right side
17,386,502.40x = 266,052,043,027,722.25 - Step 5: Solve for x
x = 266,052,043,027,722.25/17,386,502.40 - Step 6: Final answer
x = 15,302,217.60
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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.