Finding the Fourth Proportional to 13,488,444.05, 18,614,039.66 and 7,293,475.92
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Solution
The fourth proportional to 13,488,444.05, 18,614,039.66 and 7,293,475.92 is: 10,064,989.68
Step by Step Solution
- Step 1: Write the proportion equation
13,488,444.05 : 18,614,039.66 = 7,293,475.92 : x - Step 2: Convert to fraction form
13,488,444.05/18,614,039.66 = 7,293,475.92/x - Step 3: Cross multiply
13,488,444.05x = 18,614,039.66 × 7,293,475.92 - Step 4: Simplify right side
13,488,444.05x = 135,761,050,094,820.80 - Step 5: Solve for x
x = 135,761,050,094,820.80/13,488,444.05 - Step 6: Final answer
x = 10,064,989.68
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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.