Finding the Fourth Proportional to 11,507,904.14, 17,264,130.18 and 4,221,431.54
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Solution
The fourth proportional to 11,507,904.14, 17,264,130.18 and 4,221,431.54 is: 6,332,981.47
Step by Step Solution
- Step 1: Write the proportion equation
11,507,904.14 : 17,264,130.18 = 4,221,431.54 : x - Step 2: Convert to fraction form
11,507,904.14/17,264,130.18 = 4,221,431.54/x - Step 3: Cross multiply
11,507,904.14x = 17,264,130.18 × 4,221,431.54 - Step 4: Simplify right side
11,507,904.14x = 72,879,343,650,723.56 - Step 5: Solve for x
x = 72,879,343,650,723.56/11,507,904.14 - Step 6: Final answer
x = 6,332,981.47
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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.