Finding the Fourth Proportional to 12,857,098.70, 19,284,467.05 and 4,337,508.98
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Solution
The fourth proportional to 12,857,098.70, 19,284,467.05 and 4,337,508.98 is: 6,505,865.05
Step by Step Solution
- Step 1: Write the proportion equation
12,857,098.70 : 19,284,467.05 = 4,337,508.98 : x - Step 2: Convert to fraction form
12,857,098.70/19,284,467.05 = 4,337,508.98/x - Step 3: Cross multiply
12,857,098.70x = 19,284,467.05 × 4,337,508.98 - Step 4: Simplify right side
12,857,098.70x = 83,646,549,057,522.16 - Step 5: Solve for x
x = 83,646,549,057,522.16/12,857,098.70 - Step 6: Final answer
x = 6,505,865.05
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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.