Finding the Fourth Proportional to 13,404,083.68, 18,497,431.92 and 7,292,372.32
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Solution
The fourth proportional to 13,404,083.68, 18,497,431.92 and 7,292,372.32 is: 10,063,363.06
Step by Step Solution
- Step 1: Write the proportion equation
13,404,083.68 : 18,497,431.92 = 7,292,372.32 : x - Step 2: Convert to fraction form
13,404,083.68/18,497,431.92 = 7,292,372.32/x - Step 3: Cross multiply
13,404,083.68x = 18,497,431.92 × 7,292,372.32 - Step 4: Simplify right side
13,404,083.68x = 134,890,160,524,492.47 - Step 5: Solve for x
x = 134,890,160,524,492.47/13,404,083.68 - Step 6: Final answer
x = 10,063,363.06
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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.