Finding the Fourth Proportional to 13,489,440.96, 18,614,298.24 and 7,608,750.24
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Solution
The fourth proportional to 13,489,440.96, 18,614,298.24 and 7,608,750.24 is: 10,499,437.79
Step by Step Solution
- Step 1: Write the proportion equation
13,489,440.96 : 18,614,298.24 = 7,608,750.24 : x - Step 2: Convert to fraction form
13,489,440.96/18,614,298.24 = 7,608,750.24/x - Step 3: Cross multiply
13,489,440.96x = 18,614,298.24 × 7,608,750.24 - Step 4: Simplify right side
13,489,440.96x = 141,631,546,201,031.56 - Step 5: Solve for x
x = 141,631,546,201,031.56/13,489,440.96 - Step 6: Final answer
x = 10,499,437.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.