Finding the Fourth Proportional to 13,555,193.70, 20,348,536.95 and 8,169,924.90
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Solution
The fourth proportional to 13,555,193.70, 20,348,536.95 and 8,169,924.90 is: 12,264,377.95
Step by Step Solution
- Step 1: Write the proportion equation
13,555,193.70 : 20,348,536.95 = 8,169,924.90 : x - Step 2: Convert to fraction form
13,555,193.70/20,348,536.95 = 8,169,924.90/x - Step 3: Cross multiply
13,555,193.70x = 20,348,536.95 × 8,169,924.90 - Step 4: Simplify right side
13,555,193.70x = 166,246,018,706,375.06 - Step 5: Solve for x
x = 166,246,018,706,375.06/13,555,193.70 - Step 6: Final answer
x = 12,264,377.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.