Finding the Fourth Proportional to 7,138,892.97, 10,704,315.37 and 2,345,295.15
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Solution
The fourth proportional to 7,138,892.97, 10,704,315.37 and 2,345,295.15 is: 3,516,620.72
Step by Step Solution
- Step 1: Write the proportion equation
7,138,892.97 : 10,704,315.37 = 2,345,295.15 : x - Step 2: Convert to fraction form
7,138,892.97/10,704,315.37 = 2,345,295.15/x - Step 3: Cross multiply
7,138,892.97x = 10,704,315.37 × 2,345,295.15 - Step 4: Simplify right side
7,138,892.97x = 25,104,778,921,331.45 - Step 5: Solve for x
x = 25,104,778,921,331.45/7,138,892.97 - Step 6: Final answer
x = 3,516,620.72
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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.