Finding the Fourth Proportional to 13,939,187.62, 19,234,951.15 and 8,059,199.06
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Solution
The fourth proportional to 13,939,187.62, 19,234,951.15 and 8,059,199.06 is: 11,121,042.66
Step by Step Solution
- Step 1: Write the proportion equation
13,939,187.62 : 19,234,951.15 = 8,059,199.06 : x - Step 2: Convert to fraction form
13,939,187.62/19,234,951.15 = 8,059,199.06/x - Step 3: Cross multiply
13,939,187.62x = 19,234,951.15 × 8,059,199.06 - Step 4: Simplify right side
13,939,187.62x = 155,018,300,131,051.16 - Step 5: Solve for x
x = 155,018,300,131,051.16/13,939,187.62 - Step 6: Final answer
x = 11,121,042.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.