Finding the Fourth Proportional to 8,282,748.12, 12,425,903.67 and 4,130,412.72
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Solution
The fourth proportional to 8,282,748.12, 12,425,903.67 and 4,130,412.72 is: 6,196,507.47
Step by Step Solution
- Step 1: Write the proportion equation
8,282,748.12 : 12,425,903.67 = 4,130,412.72 : x - Step 2: Convert to fraction form
8,282,748.12/12,425,903.67 = 4,130,412.72/x - Step 3: Cross multiply
8,282,748.12x = 12,425,903.67 × 4,130,412.72 - Step 4: Simplify right side
8,282,748.12x = 51,324,110,576,062.69 - Step 5: Solve for x
x = 51,324,110,576,062.69/8,282,748.12 - Step 6: Final answer
x = 6,196,507.47
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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.