Finding the Fourth Proportional to 13,867,888.38, 20,804,669.68 and 4,768,804.26
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Solution
The fourth proportional to 13,867,888.38, 20,804,669.68 and 4,768,804.26 is: 7,154,182.00
Step by Step Solution
- Step 1: Write the proportion equation
13,867,888.38 : 20,804,669.68 = 4,768,804.26 : x - Step 2: Convert to fraction form
13,867,888.38/20,804,669.68 = 4,768,804.26/x - Step 3: Cross multiply
13,867,888.38x = 20,804,669.68 × 4,768,804.26 - Step 4: Simplify right side
13,867,888.38x = 99,213,397,397,876.83 - Step 5: Solve for x
x = 99,213,397,397,876.83/13,867,888.38 - Step 6: Final answer
x = 7,154,182.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.