Finding the Fourth Proportional to 13,236,461.80, 19,854,692.70 and 8,197,613.80
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Solution
The fourth proportional to 13,236,461.80, 19,854,692.70 and 8,197,613.80 is: 12,296,420.70
Step by Step Solution
- Step 1: Write the proportion equation
13,236,461.80 : 19,854,692.70 = 8,197,613.80 : x - Step 2: Convert to fraction form
13,236,461.80/19,854,692.70 = 8,197,613.80/x - Step 3: Cross multiply
13,236,461.80x = 19,854,692.70 × 8,197,613.80 - Step 4: Simplify right side
13,236,461.80x = 162,761,102,872,279.25 - Step 5: Solve for x
x = 162,761,102,872,279.25/13,236,461.80 - Step 6: Final answer
x = 12,296,420.70
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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.