Finding the Fourth Proportional to 16,862,740.68, 25,292,408.73 and 11,432,700.72
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Solution
The fourth proportional to 16,862,740.68, 25,292,408.73 and 11,432,700.72 is: 17,147,896.95
Step by Step Solution
- Step 1: Write the proportion equation
16,862,740.68 : 25,292,408.73 = 11,432,700.72 : x - Step 2: Convert to fraction form
16,862,740.68/25,292,408.73 = 11,432,700.72/x - Step 3: Cross multiply
16,862,740.68x = 25,292,408.73 × 11,432,700.72 - Step 4: Simplify right side
16,862,740.68x = 289,160,539,498,005.31 - Step 5: Solve for x
x = 289,160,539,498,005.31/16,862,740.68 - Step 6: Final answer
x = 17,147,896.95
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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.