Finding the Fourth Proportional to 10,720,627.12, 16,073,831.84 and 3,896,390.08
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Solution
The fourth proportional to 10,720,627.12, 16,073,831.84 and 3,896,390.08 is: 5,842,001.43
Step by Step Solution
- Step 1: Write the proportion equation
10,720,627.12 : 16,073,831.84 = 3,896,390.08 : x - Step 2: Convert to fraction form
10,720,627.12/16,073,831.84 = 3,896,390.08/x - Step 3: Cross multiply
10,720,627.12x = 16,073,831.84 × 3,896,390.08 - Step 4: Simplify right side
10,720,627.12x = 62,629,918,928,964.15 - Step 5: Solve for x
x = 62,629,918,928,964.15/10,720,627.12 - Step 6: Final answer
x = 5,842,001.43
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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.