Finding the Fourth Proportional to 19,367,033.40, 29,047,439.70 and 5,900,729.40
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Solution
The fourth proportional to 19,367,033.40, 29,047,439.70 and 5,900,729.40 is: 8,850,146.43
Step by Step Solution
- Step 1: Write the proportion equation
19,367,033.40 : 29,047,439.70 = 5,900,729.40 : x - Step 2: Convert to fraction form
19,367,033.40/29,047,439.70 = 5,900,729.40/x - Step 3: Cross multiply
19,367,033.40x = 29,047,439.70 × 5,900,729.40 - Step 4: Simplify right side
19,367,033.40x = 171,401,081,432,517.19 - Step 5: Solve for x
x = 171,401,081,432,517.19/19,367,033.40 - Step 6: Final answer
x = 8,850,146.43
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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.