Finding the Fourth Proportional to 42,707,438.97, 64,163,356.74 and 27,384,749.26
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Solution
The fourth proportional to 42,707,438.97, 64,163,356.74 and 27,384,749.26 is: 41,142,655.20
Step by Step Solution
- Step 1: Write the proportion equation
42,707,438.97 : 64,163,356.74 = 27,384,749.26 : x - Step 2: Convert to fraction form
42,707,438.97/64,163,356.74 = 27,384,749.26/x - Step 3: Cross multiply
42,707,438.97x = 64,163,356.74 × 27,384,749.26 - Step 4: Simplify right side
42,707,438.97x = 1,757,097,436,004,831.25 - Step 5: Solve for x
x = 1,757,097,436,004,831.25/42,707,438.97 - Step 6: Final answer
x = 41,142,655.20
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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.