Finding the Fourth Proportional to 10,776,813.60, 16,165,220.40 and 10,245,372.60
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Solution
The fourth proportional to 10,776,813.60, 16,165,220.40 and 10,245,372.60 is: 15,368,058.90
Step by Step Solution
- Step 1: Write the proportion equation
10,776,813.60 : 16,165,220.40 = 10,245,372.60 : x - Step 2: Convert to fraction form
10,776,813.60/16,165,220.40 = 10,245,372.60/x - Step 3: Cross multiply
10,776,813.60x = 16,165,220.40 × 10,245,372.60 - Step 4: Simplify right side
10,776,813.60x = 165,618,706,159,121.03 - Step 5: Solve for x
x = 165,618,706,159,121.03/10,776,813.60 - Step 6: Final answer
x = 15,368,058.90
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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.