Finding the Fourth Proportional to 13,996,805.08, 19,302,780.18 and 9,592,930.66
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Solution
The fourth proportional to 13,996,805.08, 19,302,780.18 and 9,592,930.66 is: 13,229,464.21
Step by Step Solution
- Step 1: Write the proportion equation
13,996,805.08 : 19,302,780.18 = 9,592,930.66 : x - Step 2: Convert to fraction form
13,996,805.08/19,302,780.18 = 9,592,930.66/x - Step 3: Cross multiply
13,996,805.08x = 19,302,780.18 × 9,592,930.66 - Step 4: Simplify right side
13,996,805.08x = 185,170,231,811,962.31 - Step 5: Solve for x
x = 185,170,231,811,962.31/13,996,805.08 - Step 6: Final answer
x = 13,229,464.21
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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.