Finding the Fourth Proportional to 34,728,932.16, 47,927,475.36 and 19,257,977.52
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Solution
The fourth proportional to 34,728,932.16, 47,927,475.36 and 19,257,977.52 is: 26,576,867.92
Step by Step Solution
- Step 1: Write the proportion equation
34,728,932.16 : 47,927,475.36 = 19,257,977.52 : x - Step 2: Convert to fraction form
34,728,932.16/47,927,475.36 = 19,257,977.52/x - Step 3: Cross multiply
34,728,932.16x = 47,927,475.36 × 19,257,977.52 - Step 4: Simplify right side
34,728,932.16x = 922,986,243,073,233.88 - Step 5: Solve for x
x = 922,986,243,073,233.88/34,728,932.16 - Step 6: Final answer
x = 26,576,867.92
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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.