Finding the Fourth Proportional to 8,655,700.74, 12,984,732.62 and 3,605,830.26
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Solution
The fourth proportional to 8,655,700.74, 12,984,732.62 and 3,605,830.26 is: 5,409,237.59
Step by Step Solution
- Step 1: Write the proportion equation
8,655,700.74 : 12,984,732.62 = 3,605,830.26 : x - Step 2: Convert to fraction form
8,655,700.74/12,984,732.62 = 3,605,830.26/x - Step 3: Cross multiply
8,655,700.74x = 12,984,732.62 × 3,605,830.26 - Step 4: Simplify right side
8,655,700.74x = 46,820,741,799,205.08 - Step 5: Solve for x
x = 46,820,741,799,205.08/8,655,700.74 - Step 6: Final answer
x = 5,409,237.59
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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.