Finding the Fourth Proportional to 13,326,638.81, 19,991,178.14 and 3,741,952.68
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Solution
The fourth proportional to 13,326,638.81, 19,991,178.14 and 3,741,952.68 is: 5,613,271.56
Step by Step Solution
- Step 1: Write the proportion equation
13,326,638.81 : 19,991,178.14 = 3,741,952.68 : x - Step 2: Convert to fraction form
13,326,638.81/19,991,178.14 = 3,741,952.68/x - Step 3: Cross multiply
13,326,638.81x = 19,991,178.14 × 3,741,952.68 - Step 4: Simplify right side
13,326,638.81x = 74,806,042,598,620.66 - Step 5: Solve for x
x = 74,806,042,598,620.66/13,326,638.81 - Step 6: Final answer
x = 5,613,271.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.