Finding the Fourth Proportional to 12,344,614.79, 18,517,807.93 and 4,257,471.52
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Solution
The fourth proportional to 12,344,614.79, 18,517,807.93 and 4,257,471.52 is: 6,386,512.75
Step by Step Solution
- Step 1: Write the proportion equation
12,344,614.79 : 18,517,807.93 = 4,257,471.52 : x - Step 2: Convert to fraction form
12,344,614.79/18,517,807.93 = 4,257,471.52/x - Step 3: Cross multiply
12,344,614.79x = 18,517,807.93 × 4,257,471.52 - Step 4: Simplify right side
12,344,614.79x = 78,839,039,817,866.95 - Step 5: Solve for x
x = 78,839,039,817,866.95/12,344,614.79 - Step 6: Final answer
x = 6,386,512.75
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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.