Finding the Fourth Proportional to 16,660,487.44, 22,991,302.69 and 9,318,303.06
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Solution
The fourth proportional to 16,660,487.44, 22,991,302.69 and 9,318,303.06 is: 12,859,163.15
Step by Step Solution
- Step 1: Write the proportion equation
16,660,487.44 : 22,991,302.69 = 9,318,303.06 : x - Step 2: Convert to fraction form
16,660,487.44/22,991,302.69 = 9,318,303.06/x - Step 3: Cross multiply
16,660,487.44x = 22,991,302.69 × 9,318,303.06 - Step 4: Simplify right side
16,660,487.44x = 214,239,926,169,421.19 - Step 5: Solve for x
x = 214,239,926,169,421.19/16,660,487.44 - Step 6: Final answer
x = 12,859,163.15
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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.