Finding the Fourth Proportional to 16,863,986.20, 25,292,193.36 and 7,757,337.64
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Solution
The fourth proportional to 16,863,986.20, 25,292,193.36 and 7,757,337.64 is: 11,634,264.95
Step by Step Solution
- Step 1: Write the proportion equation
16,863,986.20 : 25,292,193.36 = 7,757,337.64 : x - Step 2: Convert to fraction form
16,863,986.20/25,292,193.36 = 7,757,337.64/x - Step 3: Cross multiply
16,863,986.20x = 25,292,193.36 × 7,757,337.64 - Step 4: Simplify right side
16,863,986.20x = 196,200,083,549,686.06 - Step 5: Solve for x
x = 196,200,083,549,686.06/16,863,986.20 - Step 6: Final answer
x = 11,634,264.95
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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.