Finding the Fourth Proportional to 13,236,463.80, 19,854,695.70 and 8,197,615.80
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Solution
The fourth proportional to 13,236,463.80, 19,854,695.70 and 8,197,615.80 is: 12,296,423.70
Step by Step Solution
- Step 1: Write the proportion equation
13,236,463.80 : 19,854,695.70 = 8,197,615.80 : x - Step 2: Convert to fraction form
13,236,463.80/19,854,695.70 = 8,197,615.80/x - Step 3: Cross multiply
13,236,463.80x = 19,854,695.70 × 8,197,615.80 - Step 4: Simplify right side
13,236,463.80x = 162,761,167,174,512.06 - Step 5: Solve for x
x = 162,761,167,174,512.06/13,236,463.80 - Step 6: Final answer
x = 12,296,423.70
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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.