Finding the Fourth Proportional to 7,119,273.02, 9,821,885.10 and 5,263,145.42
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Solution
The fourth proportional to 7,119,273.02, 9,821,885.10 and 5,263,145.42 is: 7,261,135.99
Step by Step Solution
- Step 1: Write the proportion equation
7,119,273.02 : 9,821,885.10 = 5,263,145.42 : x - Step 2: Convert to fraction form
7,119,273.02/9,821,885.10 = 5,263,145.42/x - Step 3: Cross multiply
7,119,273.02x = 9,821,885.10 × 5,263,145.42 - Step 4: Simplify right side
7,119,273.02x = 51,694,009,579,831.24 - Step 5: Solve for x
x = 51,694,009,579,831.24/7,119,273.02 - Step 6: Final answer
x = 7,261,135.99
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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.