Finding the Fourth Proportional to 9,786,655.12, 14,679,982.68 and 3,055,645.84
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Solution
The fourth proportional to 9,786,655.12, 14,679,982.68 and 3,055,645.84 is: 4,583,468.76
Step by Step Solution
- Step 1: Write the proportion equation
9,786,655.12 : 14,679,982.68 = 3,055,645.84 : x - Step 2: Convert to fraction form
9,786,655.12/14,679,982.68 = 3,055,645.84/x - Step 3: Cross multiply
9,786,655.12x = 14,679,982.68 × 3,055,645.84 - Step 4: Simplify right side
9,786,655.12x = 44,856,828,007,414.05 - Step 5: Solve for x
x = 44,856,828,007,414.05/9,786,655.12 - Step 6: Final answer
x = 4,583,468.76
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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.