Finding the Fourth Proportional to 12,634,390.41, 17,435,458.65 and 6,833,171.99
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Solution
The fourth proportional to 12,634,390.41, 17,435,458.65 and 6,833,171.99 is: 9,429,777.28
Step by Step Solution
- Step 1: Write the proportion equation
12,634,390.41 : 17,435,458.65 = 6,833,171.99 : x - Step 2: Convert to fraction form
12,634,390.41/17,435,458.65 = 6,833,171.99/x - Step 3: Cross multiply
12,634,390.41x = 17,435,458.65 × 6,833,171.99 - Step 4: Simplify right side
12,634,390.41x = 119,139,487,592,805.92 - Step 5: Solve for x
x = 119,139,487,592,805.92/12,634,390.41 - Step 6: Final answer
x = 9,429,777.28
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1.5x scale
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.