Finding the Fourth Proportional to 19,585,662.30, 29,388,148.65 and 8,810,588.70
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Solution
The fourth proportional to 19,585,662.30, 29,388,148.65 and 8,810,588.70 is: 13,220,226.43
Step by Step Solution
- Step 1: Write the proportion equation
19,585,662.30 : 29,388,148.65 = 8,810,588.70 : x - Step 2: Convert to fraction form
19,585,662.30/29,388,148.65 = 8,810,588.70/x - Step 3: Cross multiply
19,585,662.30x = 29,388,148.65 × 8,810,588.70 - Step 4: Simplify right side
19,585,662.30x = 258,926,890,409,610.22 - Step 5: Solve for x
x = 258,926,890,409,610.22/19,585,662.30 - Step 6: Final answer
x = 13,220,226.43
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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.