Finding the Fourth Proportional to 11,401,865.79, 15,734,380.28 and 6,174,831.63
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Solution
The fourth proportional to 11,401,865.79, 15,734,380.28 and 6,174,831.63 is: 8,521,162.31
Step by Step Solution
- Step 1: Write the proportion equation
11,401,865.79 : 15,734,380.28 = 6,174,831.63 : x - Step 2: Convert to fraction form
11,401,865.79/15,734,380.28 = 6,174,831.63/x - Step 3: Cross multiply
11,401,865.79x = 15,734,380.28 × 6,174,831.63 - Step 4: Simplify right side
11,401,865.79x = 97,157,149,000,518.09 - Step 5: Solve for x
x = 97,157,149,000,518.09/11,401,865.79 - Step 6: Final answer
x = 8,521,162.31
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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.