Finding the Fourth Proportional to 10,769,421.98, 16,154,272.84 and 3,580,955.58
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Solution
The fourth proportional to 10,769,421.98, 16,154,272.84 and 3,580,955.58 is: 5,371,479.88
Step by Step Solution
- Step 1: Write the proportion equation
10,769,421.98 : 16,154,272.84 = 3,580,955.58 : x - Step 2: Convert to fraction form
10,769,421.98/16,154,272.84 = 3,580,955.58/x - Step 3: Cross multiply
10,769,421.98x = 16,154,272.84 × 3,580,955.58 - Step 4: Simplify right side
10,769,421.98x = 57,847,733,467,240.45 - Step 5: Solve for x
x = 57,847,733,467,240.45/10,769,421.98 - Step 6: Final answer
x = 5,371,479.88
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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.