Finding the Fourth Proportional to 13,258,257.04, 18,297,352.20 and 8,102,604.88
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Solution
The fourth proportional to 13,258,257.04, 18,297,352.20 and 8,102,604.88 is: 11,182,179.89
Step by Step Solution
- Step 1: Write the proportion equation
13,258,257.04 : 18,297,352.20 = 8,102,604.88 : x - Step 2: Convert to fraction form
13,258,257.04/18,297,352.20 = 8,102,604.88/x - Step 3: Cross multiply
13,258,257.04x = 18,297,352.20 × 8,102,604.88 - Step 4: Simplify right side
13,258,257.04x = 148,256,215,226,798.72 - Step 5: Solve for x
x = 148,256,215,226,798.72/13,258,257.04 - Step 6: Final answer
x = 11,182,179.89
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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.