Finding the Fourth Proportional to 13,627,926.27, 18,806,762.37 and 7,432,972.99
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Solution
The fourth proportional to 13,627,926.27, 18,806,762.37 and 7,432,972.99 is: 10,257,624.97
Step by Step Solution
- Step 1: Write the proportion equation
13,627,926.27 : 18,806,762.37 = 7,432,972.99 : x - Step 2: Convert to fraction form
13,627,926.27/18,806,762.37 = 7,432,972.99/x - Step 3: Cross multiply
13,627,926.27x = 18,806,762.37 × 7,432,972.99 - Step 4: Simplify right side
13,627,926.27x = 139,790,156,725,558.39 - Step 5: Solve for x
x = 139,790,156,725,558.39/13,627,926.27 - Step 6: Final answer
x = 10,257,624.97
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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.