Finding the Fourth Proportional to 12,125,158.50, 16,732,720.29 and 6,692,651.94
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Solution
The fourth proportional to 12,125,158.50, 16,732,720.29 and 6,692,651.94 is: 9,235,860.54
Step by Step Solution
- Step 1: Write the proportion equation
12,125,158.50 : 16,732,720.29 = 6,692,651.94 : x - Step 2: Convert to fraction form
12,125,158.50/16,732,720.29 = 6,692,651.94/x - Step 3: Cross multiply
12,125,158.50x = 16,732,720.29 × 6,692,651.94 - Step 4: Simplify right side
12,125,158.50x = 111,986,272,910,345.86 - Step 5: Solve for x
x = 111,986,272,910,345.86/12,125,158.50 - Step 6: Final answer
x = 9,235,860.54
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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.