Finding the Fourth Proportional to 18,343,815.70, 27,508,725.15 and 5,560,071.70
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Solution
The fourth proportional to 18,343,815.70, 27,508,725.15 and 5,560,071.70 is: 8,337,986.31
Step by Step Solution
- Step 1: Write the proportion equation
18,343,815.70 : 27,508,725.15 = 5,560,071.70 : x - Step 2: Convert to fraction form
18,343,815.70/27,508,725.15 = 5,560,071.70/x - Step 3: Cross multiply
18,343,815.70x = 27,508,725.15 × 5,560,071.70 - Step 4: Simplify right side
18,343,815.70x = 152,950,484,209,593.25 - Step 5: Solve for x
x = 152,950,484,209,593.25/18,343,815.70 - Step 6: Final answer
x = 8,337,986.31
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1.5x scale
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.