Finding the Fourth Proportional to 10,677,764.70, 14,735,310.66 and 5,782,987.04
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Solution
The fourth proportional to 10,677,764.70, 14,735,310.66 and 5,782,987.04 is: 7,980,519.61
Step by Step Solution
- Step 1: Write the proportion equation
10,677,764.70 : 14,735,310.66 = 5,782,987.04 : x - Step 2: Convert to fraction form
10,677,764.70/14,735,310.66 = 5,782,987.04/x - Step 3: Cross multiply
10,677,764.70x = 14,735,310.66 × 5,782,987.04 - Step 4: Simplify right side
10,677,764.70x = 85,214,110,577,153.84 - Step 5: Solve for x
x = 85,214,110,577,153.84/10,677,764.70 - Step 6: Final answer
x = 7,980,519.61
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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.