Finding the Fourth Proportional to 13,273,083.20, 19,909,624.80 and 6,554,619.20
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Solution
The fourth proportional to 13,273,083.20, 19,909,624.80 and 6,554,619.20 is: 9,831,928.80
Step by Step Solution
- Step 1: Write the proportion equation
13,273,083.20 : 19,909,624.80 = 6,554,619.20 : x - Step 2: Convert to fraction form
13,273,083.20/19,909,624.80 = 6,554,619.20/x - Step 3: Cross multiply
13,273,083.20x = 19,909,624.80 × 6,554,619.20 - Step 4: Simplify right side
13,273,083.20x = 130,500,008,978,876.17 - Step 5: Solve for x
x = 130,500,008,978,876.17/13,273,083.20 - Step 6: Final answer
x = 9,831,928.80
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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.