Finding the Fourth Proportional to 14,984,886, 20,679,207.84 and 8,109,368.67
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Solution
The fourth proportional to 14,984,886, 20,679,207.84 and 8,109,368.67 is: 11,190,964.03
Step by Step Solution
- Step 1: Write the proportion equation
14,984,886 : 20,679,207.84 = 8,109,368.67 : x - Step 2: Convert to fraction form
14,984,886/20,679,207.84 = 8,109,368.67/x - Step 3: Cross multiply
14,984,886x = 20,679,207.84 × 8,109,368.67 - Step 4: Simplify right side
14,984,886x = 167,695,320,178,114.38 - Step 5: Solve for x
x = 167,695,320,178,114.38/14,984,886 - Step 6: Final answer
x = 11,190,964.03
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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.