Finding the Fourth Proportional to 12,323,622.71, 18,487,115.49 and 5,133,475.09
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Solution
The fourth proportional to 12,323,622.71, 18,487,115.49 and 5,133,475.09 is: 7,700,913.04
Step by Step Solution
- Step 1: Write the proportion equation
12,323,622.71 : 18,487,115.49 = 5,133,475.09 : x - Step 2: Convert to fraction form
12,323,622.71/18,487,115.49 = 5,133,475.09/x - Step 3: Cross multiply
12,323,622.71x = 18,487,115.49 × 5,133,475.09 - Step 4: Simplify right side
12,323,622.71x = 94,903,146,896,227.56 - Step 5: Solve for x
x = 94,903,146,896,227.56/12,323,622.71 - Step 6: Final answer
x = 7,700,913.04
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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.