Finding the Fourth Proportional to 11,380,811.04, 17,071,197.12 and 5,313,509.28
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Solution
The fourth proportional to 11,380,811.04, 17,071,197.12 and 5,313,509.28 is: 7,970,254.84
Step by Step Solution
- Step 1: Write the proportion equation
11,380,811.04 : 17,071,197.12 = 5,313,509.28 : x - Step 2: Convert to fraction form
11,380,811.04/17,071,197.12 = 5,313,509.28/x - Step 3: Cross multiply
11,380,811.04x = 17,071,197.12 × 5,313,509.28 - Step 4: Simplify right side
11,380,811.04x = 90,707,964,317,829.28 - Step 5: Solve for x
x = 90,707,964,317,829.28/11,380,811.04 - Step 6: Final answer
x = 7,970,254.84
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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.