Finding the Fourth Proportional to 10,368,428.19, 14,309,242.45 and 5,723,135.62
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Solution
The fourth proportional to 10,368,428.19, 14,309,242.45 and 5,723,135.62 is: 7,898,375.12
Step by Step Solution
- Step 1: Write the proportion equation
10,368,428.19 : 14,309,242.45 = 5,723,135.62 : x - Step 2: Convert to fraction form
10,368,428.19/14,309,242.45 = 5,723,135.62/x - Step 3: Cross multiply
10,368,428.19x = 14,309,242.45 × 5,723,135.62 - Step 4: Simplify right side
10,368,428.19x = 81,893,735,175,120.77 - Step 5: Solve for x
x = 81,893,735,175,120.77/10,368,428.19 - Step 6: Final answer
x = 7,898,375.12
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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.