Finding the Fourth Proportional to 8,723,203.20, 12,037,820.49 and 5,461,815.96
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Solution
The fourth proportional to 8,723,203.20, 12,037,820.49 and 5,461,815.96 is: 7,537,180.85
Step by Step Solution
- Step 1: Write the proportion equation
8,723,203.20 : 12,037,820.49 = 5,461,815.96 : x - Step 2: Convert to fraction form
8,723,203.20/12,037,820.49 = 5,461,815.96/x - Step 3: Cross multiply
8,723,203.20x = 12,037,820.49 × 5,461,815.96 - Step 4: Simplify right side
8,723,203.20x = 65,748,360,075,897.02 - Step 5: Solve for x
x = 65,748,360,075,897.02/8,723,203.20 - Step 6: Final answer
x = 7,537,180.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.