Finding the Fourth Proportional to 47,683,438.77, 65,784,366.52 and 27,553,135.30
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Solution
The fourth proportional to 47,683,438.77, 65,784,366.52 and 27,553,135.30 is: 38,012,475.56
Step by Step Solution
- Step 1: Write the proportion equation
47,683,438.77 : 65,784,366.52 = 27,553,135.30 : x - Step 2: Convert to fraction form
47,683,438.77/65,784,366.52 = 27,553,135.30/x - Step 3: Cross multiply
47,683,438.77x = 65,784,366.52 × 27,553,135.30 - Step 4: Simplify right side
47,683,438.77x = 1,812,565,551,046,048 - Step 5: Solve for x
x = 1,812,565,551,046,048/47,683,438.77 - Step 6: Final answer
x = 38,012,475.56
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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.