Finding the Fourth Proportional to 18,024,258.48, 24,906,470.88 and 13,120,967.91
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Solution
The fourth proportional to 18,024,258.48, 24,906,470.88 and 13,120,967.91 is: 18,130,954.21
Step by Step Solution
- Step 1: Write the proportion equation
18,024,258.48 : 24,906,470.88 = 13,120,967.91 : x - Step 2: Convert to fraction form
18,024,258.48/24,906,470.88 = 13,120,967.91/x - Step 3: Cross multiply
18,024,258.48x = 24,906,470.88 × 13,120,967.91 - Step 4: Simplify right side
18,024,258.48x = 326,797,005,167,829.44 - Step 5: Solve for x
x = 326,797,005,167,829.44/18,024,258.48 - Step 6: Final answer
x = 18,130,954.21
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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.