Finding the Fourth Proportional to 17,612,428.80, 24,305,327.80 and 9,877,305.05
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Solution
The fourth proportional to 17,612,428.80, 24,305,327.80 and 9,877,305.05 is: 13,630,779.70
Step by Step Solution
- Step 1: Write the proportion equation
17,612,428.80 : 24,305,327.80 = 9,877,305.05 : x - Step 2: Convert to fraction form
17,612,428.80/24,305,327.80 = 9,877,305.05/x - Step 3: Cross multiply
17,612,428.80x = 24,305,327.80 × 9,877,305.05 - Step 4: Simplify right side
17,612,428.80x = 240,071,137,020,845.41 - Step 5: Solve for x
x = 240,071,137,020,845.41/17,612,428.80 - Step 6: Final answer
x = 13,630,779.70
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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.