Finding the Fourth Proportional to 13,326,706.15, 19,991,279.16 and 3,742,020.09
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Solution
The fourth proportional to 13,326,706.15, 19,991,279.16 and 3,742,020.09 is: 5,613,372.68
Step by Step Solution
- Step 1: Write the proportion equation
13,326,706.15 : 19,991,279.16 = 3,742,020.09 : x - Step 2: Convert to fraction form
13,326,706.15/19,991,279.16 = 3,742,020.09/x - Step 3: Cross multiply
13,326,706.15x = 19,991,279.16 × 3,742,020.09 - Step 4: Simplify right side
13,326,706.15x = 74,807,768,241,518.33 - Step 5: Solve for x
x = 74,807,768,241,518.33/13,326,706.15 - Step 6: Final answer
x = 5,613,372.68
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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.