Finding the Fourth Proportional to 15,006,699.44, 20,709,480.36 and 8,811,883.14
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Solution
The fourth proportional to 15,006,699.44, 20,709,480.36 and 8,811,883.14 is: 12,160,536.80
Step by Step Solution
- Step 1: Write the proportion equation
15,006,699.44 : 20,709,480.36 = 8,811,883.14 : x - Step 2: Convert to fraction form
15,006,699.44/20,709,480.36 = 8,811,883.14/x - Step 3: Cross multiply
15,006,699.44x = 20,709,480.36 × 8,811,883.14 - Step 4: Simplify right side
15,006,699.44x = 182,489,520,822,445.12 - Step 5: Solve for x
x = 182,489,520,822,445.12/15,006,699.44 - Step 6: Final answer
x = 12,160,536.80
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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.