Finding the Fourth Proportional to 22,257,319.72, 33,342,511.32 and 15,339,574.12
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Solution
The fourth proportional to 22,257,319.72, 33,342,511.32 and 15,339,574.12 is: 22,979,403.19
Step by Step Solution
- Step 1: Write the proportion equation
22,257,319.72 : 33,342,511.32 = 15,339,574.12 : x - Step 2: Convert to fraction form
22,257,319.72/33,342,511.32 = 15,339,574.12/x - Step 3: Cross multiply
22,257,319.72x = 33,342,511.32 × 15,339,574.12 - Step 4: Simplify right side
22,257,319.72x = 511,459,923,740,079 - Step 5: Solve for x
x = 511,459,923,740,079/22,257,319.72 - Step 6: Final answer
x = 22,979,403.19
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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.