Finding the Fourth Proportional to 7,486,256.80, 11,213,638.80 and 6,226,544.80
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Solution
The fourth proportional to 7,486,256.80, 11,213,638.80 and 6,226,544.80 is: 9,326,720.45
Step by Step Solution
- Step 1: Write the proportion equation
7,486,256.80 : 11,213,638.80 = 6,226,544.80 : x - Step 2: Convert to fraction form
7,486,256.80/11,213,638.80 = 6,226,544.80/x - Step 3: Cross multiply
7,486,256.80x = 11,213,638.80 × 6,226,544.80 - Step 4: Simplify right side
7,486,256.80x = 69,822,224,359,218.24 - Step 5: Solve for x
x = 69,822,224,359,218.24/7,486,256.80 - Step 6: Final answer
x = 9,326,720.45
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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.