Finding the Fourth Proportional to 9,780,866.18, 14,672,991.12 and 3,303,988.67
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Solution
The fourth proportional to 9,780,866.18, 14,672,991.12 and 3,303,988.67 is: 4,956,554.51
Step by Step Solution
- Step 1: Write the proportion equation
9,780,866.18 : 14,672,991.12 = 3,303,988.67 : x - Step 2: Convert to fraction form
9,780,866.18/14,672,991.12 = 3,303,988.67/x - Step 3: Cross multiply
9,780,866.18x = 14,672,991.12 × 3,303,988.67 - Step 4: Simplify right side
9,780,866.18x = 48,479,396,415,490.61 - Step 5: Solve for x
x = 48,479,396,415,490.61/9,780,866.18 - Step 6: Final answer
x = 4,956,554.51
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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.