Finding the Fourth Proportional to 13,090,299.68, 19,608,680.64 and 10,670,078
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Solution
The fourth proportional to 13,090,299.68, 19,608,680.64 and 10,670,078 is: 15,983,297.33
Step by Step Solution
- Step 1: Write the proportion equation
13,090,299.68 : 19,608,680.64 = 10,670,078 : x - Step 2: Convert to fraction form
13,090,299.68/19,608,680.64 = 10,670,078/x - Step 3: Cross multiply
13,090,299.68x = 19,608,680.64 × 10,670,078 - Step 4: Simplify right side
13,090,299.68x = 209,226,151,905,889.94 - Step 5: Solve for x
x = 209,226,151,905,889.94/13,090,299.68 - Step 6: Final answer
x = 15,983,297.33
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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.