Finding the Fourth Proportional to 7,808,452.56, 11,720,241.08 and 3,767,781.68
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Solution
The fourth proportional to 7,808,452.56, 11,720,241.08 and 3,767,781.68 is: 5,655,321.50
Step by Step Solution
- Step 1: Write the proportion equation
7,808,452.56 : 11,720,241.08 = 3,767,781.68 : x - Step 2: Convert to fraction form
7,808,452.56/11,720,241.08 = 3,767,781.68/x - Step 3: Cross multiply
7,808,452.56x = 11,720,241.08 × 3,767,781.68 - Step 4: Simplify right side
7,808,452.56x = 44,159,309,626,407.41 - Step 5: Solve for x
x = 44,159,309,626,407.41/7,808,452.56 - Step 6: Final answer
x = 5,655,321.50
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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.